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PXE-E51: No DHCP or proxy DHCP offers were received

Q: PXE-E51: No DHCP or proxy DHCP offers were received

My old hard disk was dead so bought a new hard disk drive of 500gb, when i tried to install windows xp on the new hard disk the cd didn't boot as it used to do first, it gives out an error during boot "PXE-E51: No DHCP or proxy DHCP offers were received please enter bootable device and press any key". Thanks in advance.

Preferred Solution: PXE-E51: No DHCP or proxy DHCP offers were received

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A: PXE-E51: No DHCP or proxy DHCP offers were received

Any message such as this referencing 'PXE" are likely indications that you need to adjust the boot device settings in the BIOS.  The message indicates that the system is currently trying to boot via network, rather than boot to an optical drive or a hard drive.
If you want to boot from a CD to install XP, then the first boot option in the BIOS must be changed to an optical drive.
If you want to boot from the hard drive, then the first boot device should be changed to reflect the hard drive as the first option.
What makes you think that your old hard drive was dead?
These PXE errors are often the result of the fact that the CMOS battery is dying or is dead and needs to be replaced.  Since this is a vital but cheap item easily obtained, this is not a serious problem.

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i put in a new harddrive, keeping the old one in place. both have operation systems on them and both are set to cable select. but i get the message no dhcp or poxydhch offers were recived. help

A:no dhcp or poxydhch offers were recived

i think its booting up by the network. how do i change it?

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Hello, I am configuring a network that'll have multiple DHCP servers
and I was wondering how Windows handles receiving multiple DHCP OFFERs?
More specifically, how does it choose which one to prefer and how long
will it wait for a answer from a preferred server if the other server
answers first? Thanks.

A:Handling of multiple DHCP OFFERs

JohnMusbach wrote:

Hello, I am configuring a network that'll have multiple DHCP servers
and I was wondering how Windows handles receiving multiple DHCP
OFFERs? More specifically, how does it choose which one to prefer
and how long will it wait for a answer from a preferred server if the
other server answers first? Thanks.

I you are using several DHCP servers on the same LAN segment, you
should sync the lease data between the servers - otherwise you may
experience problems. For information, on how to do this, please post in
the appropriate server forum.

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  I have several windows 8.1 machines connected to a private network.  The clients all obtain their first DHCP leases correctly and work well for a time. At some point after having been running for awhile, they get into a state where they start
ignoring the DHCP ACK messages from the DHCP server when they attempt to renew their leases (see attached pcap file).  They go on ignoring the responses to their DHCP Requests until they lose their IP addresses and then send a DHCP Discover and receive
a DHCP Offer.  At this point, they seem to accept their new address and move on until it is time to renew again, at which point they start ignoring their DHCP ACKs again and the cycle continues.  These machines will work for hours with no problems
whatsoever, but they all seem to experience this issue at some point every day.  When they get into the state where they are ignoring their DHCP acks, they will stay that way until they are rebooted.  Disabling and then re-enabling the adapter does
not seem to fix the issue.
 Does anyone have any idea what could be going on?  I'm pretty stumped at this point.

Thank you,

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I'm running a simple network at home with a Linksys BEFSR41 router. I have two computers hooked up wired and a wireless router acting like an access point that I use for my laptop occasionally. Until this weekend I've been having no problems but I shut down the computers due to weather and now one of them is not able to communicate with any others on the network. The problem computer will get an address supplied to it by the router (DHCP server) but once it has it I cannot get any other connectivity. Of course this is hindering internet access on this computer. I can ping the loopback and assigned IP addresses w/o problems but when I ping the default gateway (router) and/or the other computer I get "Request timed out." I initially thought it was the NIC so I bought another one but still get the same issue. I've moved the cards to different PCI slots but no luck. I tested the cable running from the computer and the router but found no problems. I even tried resetting the TCP/IP stack but still didn't work. The computer in question is running WinXP SP2 with the original NIC being a Linksys LNE100TX and the new one being a D-Link DFE-530TX+.

Any clues on this? If more info is needed let me know--it's been a while since I've posted. Thanks in advance.

A:Solved: Getting IP addr from DHCP but cannot ping DHCP server

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I need the IP address ,DNS and gateway address so on .Is it possibile to get it from the modems DHCP or do I need the ISP DHCP working?

I'm setting up are home network and getting connected to the internet but the internet connection is down .But is it possibile that I can get this from the modem. .

Like how does the computer talk to the modem and the modem talk to the DHCP server .I never had this problem before.

A:Can you get DHCP info from the modem software even when the DHCP server is down

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Okay, I got a new client a few weeks ago. What a mess...anyway, they had bought a new Dell with SBS 2K3 on it, and for some reason they have a wired firewall (Linksys), a wireless router (Linksys) and a small switch. After examining the setup of the network, I found the wireless router giving out IP addresses in the 192.168.1.X range, the SBS being what it is, was going to be the DNS/DHCP/DC, on and on, etc. I turned off the DHCP on the wireless router. Yesterday they called and had a machine that I wasn't aware of that couldn't connect, it's a proprietary machine for X-Rays, and all I could do was really look at it, and do a few things, like change the IP if needed, but it's set to DHCP, and it's getting 192.168.1.X addressing, when umm, it can't be. I did ipconfig /release then /renew, nothing, still the old address, with as the DCHP and gateway. I statically set it to the 192.168.0.X settings and nothing, can't ping in or out or see the network. I set it back to DCHP reboot, and it still gets 192.168.1.X address, but there is no DHCP server serving up these address, so ummm, anyone? Oh, the X-Ray comp is plugged directly into the firewall now wich is on the 192.168.0.X network on the inside.......

A:Solved: DHCP coming from a non-DHCP router?

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My WinXP Home PC won't connect properly (limited connectivity/no internet) via ethernet cable to my router (Belkin N150).

Ipconfig /all shows the IP address as but this is determined by an entry in the registry at HLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{39A...} > 'DhcpIPAddress' - REG_SZ - Also listed at 'IPAutoconfigurationAddress'. My laptop connects fine plugged into the same port getting it's IP automatically ( and getting internet fine.

After much searching I can't figure out what's wrong.

I've tried adding a DWORD entry 'IPAutoconfigurationEnabled' = 0, also tried deleting the 2 values.
Tried setting the IP manually to - limited connectivity goes away but I get no internet connection from the router nor file sharing.

Any help please?

A:Solved: DHCP IP by registry not by DHCP server??

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Is it better to use Win2000 Server DHCP or DHCP from my Netgear wireless router?

I am currently in the process of setting up a Win2000 server on my home network which consists of four other 2000/XP machines.
The server is going to be configured as a domain controller and will utilize the Active Directory.

Should I use the Win2000 Server DHCP or stick with my wireless router as the DHCP server? What are the advantages/disadvantages to both and which would be easier to maintain.

Is a 550mhz PIII with 256MB RAM fast enough to make a good home server running Win2000 server?

The server is going to have (2) 120GB Western Digital 7200rpm drives with 8MB cache for storage and a single 60GB Western Digital 7200rpm drive for the OS and few other applications.

The server's primary function is to serve as a media server with an approaching 10GB of MP3 and music video files which is continually going to grow. Disk contention is at a minimum since there are only four PC's on the network. There will also be a lot of digital photos stored on the server and will also serve as a place to perform backups from the other four networked PC's.

A:Win2000 Server DHCP or Router DHCP?

We have a similar setup in our office using Small Business Server, a public IP coming into our router with DHCP turned on, connected to a NIC in the internal DHCP server (which is also running ISA). A second NIC in the server bridges to the internal hub to provide DHCP services to the clients. This way we control port filtering in 2 places and with 2 levels of NAT taking place we feel secure. It may be overkill but we're concerned that EVERYONE is trying to hack into ISA and DHCP servers connected directly to public IP that this setup provides an added level of security.

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i have a setup with wds and mdt installed on the same box.
everything works fine, i am able to pxe boot to download images EXCEPT on 1 laptop?!
any thoughts much appreciated

A:PXE-E55 Proxy DHCP Service did not reply to request on port 4011

i think if so attemped with this
command in your WDS :
wdsutil /set-server /usedhcpports:no
good luck
http://fethiabassi.blogspot.com/ FETHI ABASSI } =========== [ DEPLOY Windows 7 with MDT 2010 update 1 & WDS ]

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Our ISP just installed a DHCP server (we won't be using it, we have static IP address for internet). Our NT box has two NIC cards, one for local network, the other connected to our cable modem. It has DHCP server running for our local workstations to get their ip addresses. But it has been shutting down with an error message stating that "The DHCP server is shutting down because another DHCP server with IP address of is active on the network." is our ISP's new DHCP server. How can I get our server to ignore the ISP's DHCP server?

A:ISP DHCP shutting down internal DHCP

You need to make sure your ISP isn't trying to renew the DHCP lease and has your IP address excluded from their DHCP servers list of non static IP's. Sounds like their error and config problem not yours. Unless you haven't excluded your static addresses from your DHCP server pool.

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Greetings All, We have just gotten several new T470's and X270's that we are attempting to image Win10 via WDS. We are using the same servers, VLAN's, networks as we always have, however, these new laptops are unable to connect via PXE to be imaged. We continue to get at "PXE Boot error code E16 No Offers Received" error code, and are unable to image them, whilst our older T460/450/430's are all able to successfully boot and be imaged. We have set the BIOS settings to "Both" for Legacy & UEFI, and set it to IPv4 priority. All other settings are the same as they appear on the older laptops. The WDS server is a standalone, *not* AD integrated. Has anyone else encountered this with the newer T470's / X270's? All of our other systems are functioning as expected. Thank you in advance! joe Any advice appreciated.

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I have a network between an XP and a 98SE machine using NETBEUI.

I have manually set the IP addresses for each machine and when I run ipconfig it reports DHCP as not being enabled.

I have seen a lot of discussion which mentions DHCP however I do not quite understand what it is or if it is preferable to have it enabled or not.

Should I be using it??

A:Not using DHCP

If you use DHCP, it gives the computers an IP address. If you connect to the internet with a router, the router acts as the DHCP server and gives the computers all the info they need to connect and browse the internet.
Check out this link:
It will explain it well.

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Q: Dhcp


How could I set my DHCP server to assign new IP addresses for clients up on their lease expiration. This is instead renewing the expiration and assigning the same IP address which had assigned before. Basically, I would like to have all the clients to have totally different Ip (in the same scope) than the previous one.




I don't think that its possible to do what you want to do. Basically DHCP has a pool of addresses that it assigns effectively at random. There is no way that I know of to specifically stop a machine getting the same IP address as last time. There may be a registry hack, but I'm not aware of one.

In a workplace environment often leases are set to expire at intervals of 24 hours or more. You could try shortening the leases to less than a working day to get the addresses turned over faster, but that could cause problems for users accessing the net.

Another option would be to try increasing the number of available addresses in the scope. The more you have available copmared to the number of clients sharing the pool the less chance there is of a machine getting the same IP twice in a row.

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Q: dhcp

I connect to the internet through my neighbor who is in nursing home right now,so i canT get router info. as I remember,it is att,sbc dsl.I use a netgear usb wireless adapter.win98se.the problem is the dhcp server is unavailable for no reason I can figure.I will have no probs for days the out of the blue it will diconect and I will have a 169... IP. Signal and connection to his router(i think its the router)are strong,but when I run winipfg and hit renew it says the dhcp server is unavailable.If i scan w/netgear it jumps right to this connect.then today after being out for three days,and me redoing anything i could possibly do,the scan went in the red meaning no connect and just kept scanning.as wierd as this sounds,from past behavior,I knew it was noow trying to connect to the internet instead of the 169..(intranet?)It ran for ten mns and poof! connected.this has happened many times.the usb would blink 5 times repeat etc till it connected.this in and out has no rhyme or reason.sometimes days, mns,hrs.there is no security code to log on.it used to give me various local ip no.s but lately its been the same one.I have hooked it up to other comps and it behaves the same.so wherein lies the problem,guru



This is against the terms of service for the ISP, so I'm closing this post. I suggest buying your own access, we won't assist in theft of service.

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Hello, i am trying to connect a workstation to a ras server through dun (win98) the server is nt 4. I am using dhcp,wins,tcp/ip. When i connect over the lan with the network card i have no problem, it gives me an ip address and i have access to all network resources. But when i connect to the server with dun it does not give me an ip address in my scope it just generates one of those default numbers like "192.254.xxx.xxx". That number is given to the ppp adapter and the tcp/ip adapter stills shows the ip from the last network logon.I need this to use dhcp when i dial in someone please help.

A:Ras With DHCP

Not sure I understand. The PPP adapter is your NIC when you are dialing in. It is the device that should be getting the IP address assigned to it.

When you run WINIPCFG after dialing in, the PPP should show the same information as the NIC does when you are physically connected. Is this not happening? If not, what is different?

Get free stuff and help out a poor computer tech:
LarryCore begs for money

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Greetings everyone,

Need help with dhcp problem please... I've setup a home network. I have w2k3 with active directory, ns, dhcp and all that good stuff.

Setup: I have my cable modem connected to the router (dhcp disable on router), and all pcs connected to the router. One of the pcs is the main domain controller

The problem is, for some reason, my clients pc's aren't renewing their leases (* I think *).
I've setup the lease to last 12 hours, so the internet works fine during that timeframe. After the 12 hrs, there's no internet. Running ipconfing on the client pc's gives completely different ip's and subnet (not in the range i've setup in dhcp, eg: my range is and I'm getting ips 172.something.something.something).

From the client pc, I can't ping the domain controller or the router.

From the domain controller, if uninstall the dhcp and reinstall, then reboot the client everything works fine for the next 12 hours then problem restarts.

This is really annoying... any help is appreciated.


A:DHCP Help please..

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Hello Guru's... A basic question on DHCP;
We are logging to our domain, that has MS Server 2003 platform, whenever our server is down, client PC's (automatic configured) gets a LAN remark "limited connectivity" resulting to internet interruption.

I understand that IP's are deployed and validated once we logged to our domain, and will cause intermittent connection once the server went off.

My question is, are there any way, to have our internet access going, even the domain is unserviceable?


A:Dhcp help

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Can anyone please help?
I am having masses of 'Page cannot be displayed'
messages and very frequent internet connection dropouts.
I have done many things to remedythis but still no luck.
The idea now is that it is my firewall. It is Zonealarm free.
I have tried posting at ZA forums, no response, and the
technical support won't help on a free download only the
premium products.
The first remedy is to go to your computer and click:
Start>Run>command> then type ipconfig/all
and get the DNS Servers and DHCP servers and
manually enter them into zonealarm.
I got the DNS servers no problem, but the only reference
in the command window to DHCP is:
Dhcp Enabled NO
I feel that if this is not enabled then it cannot be working,
therefore causing my problems.My OS is XP SP1. Another
spanner has been thrown in the works, because whilst
researchingthis, I read some info in regards to DHCP,
and the info said that one of the draw backs with XP
is that you cannot disable DHCP which is very confusing as
mine is not enabled. Can anyone tellme how to enable this
and whether it is going to make a difference to my problems.
Since entering the DNS servers into zonealarm, the 'Page
cannot be displayed' messages have stopped, but the
frequent dropouts are still happening.
Many thanks and any help much appreciated.

A:Help with DHCP XP SP1

Do you get the same when you disable the firewall?

Why have not not upgraded to SP2? , ,

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I have read somewhere disable the DHCP in TCP/IP settings, but i dont able to find out. Please tell me where is this option of disable DHCP for TCP/IP

A:Tcp/ip Dhcp

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Q: Dhcp

I'm managing a DHCP server and its showing 100% usage but not all the IP addresses are assigned. i've tried to riconcile the server but with no success, please assist my people :knock:


What sort of a DHCP server are we talking about? What shows you 100% usage?

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Hi can anyone tell me whats the difference between NAT and DHCP?

A:Nat & Dhcp

Hi sarsa, Welcome to TSG !!
Hope this helps:
Short for Network Address Translation, an Internet standard that enables a local-area network (LAN) to use one set of IP addresses for internal traffic and a second set of addresses for external traffic. A NAT box located where the LAN meets the Internet makes all necessary IP address translations.
NAT serves three main purposes:
Provides a type of firewall by hiding internal IP addresses
Enables a company to use more internal IP addresses. Since they're used internally only, there's no possibility of conflict with IP addresses used by other companies and organizations.
Allows a company to combine multiple ISDN connections into a single Internet connection.

Short for Dynamic Host Configuration Protocol, a protocol for assigning dynamic IP addresses to devices on a network. With dynamic addressing, a device can have a different IP address every time it connects to the network. In some systems, the device's IP address can even change while it is still connected. DHCP also supports a mix of static and dynamic IP addresses.
Dynamic addressing simplifies network administration because the software keeps track of IP addresses rather than requiring an administrator to manage the task. This means that a new computer can be added to a network without the hassle of manually assigning it a unique IP address. Many ISPs use dynamic IP addressing for dial-up users.
DHCP client support is built into Windows 95 an... Read more

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So I am fairly new to the DHCP world on Server 2012. I have about 14 remote sites and 1 corporate office that I am looking to have more control over. I bought the Windows 2012 server for my corp office location and I want to start using active directory for all my locations but I want the DHCP and AD to come from my 2012 server at my corporate office, is this possible?

Currently I have Sonciwall Site 2 Site VPNs and they serve as the DHCP for each of the 14 sites, but I want to make my Server at the corp office the DHCP and AD for all my computers. Would this be the best way to tackle this? My other option is to add a Server 2012 computer at each location and use local DHCP/AD at each site.

A:Is this possible with DHCP and VPN

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I networked my pc's running WinMe peer to peer.One fine day the ICS all of a sudden stopped working. I ran the sometimes useless Help. Help told me that I had the DCHP service turned off. It said to turn on the DHCP service:

Insert your Windows CD-ROM into the CD-ROM drive on the host computer.
On the desktop, double-click My Computer.
Double-click your CD-ROM drive, double-click the Tools folder, double-click the Mtsutil folder, and then double-click the ICS folder.
Right-click the Dhcp-on file, and then click Install.
Restart the host computer.

HA! There is no such folder on that disk, not that I can find.
The Win Me was pre loaded. Where am I supposed to find the file?


When you use the Help and Support Troubleshooter for Internet Connection Sharing in Windows Millennium Edition (Me), the troubleshooter may instruct you to turn Dynamic Host Configuration Protocol (DHCP) on by going to the Tools\Mtsutil\ICS folder on your Windows Me CD-ROM, but the folder is missing.
The ICS folder is not included on the Windows Me CD-ROM.
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

To resolve this issue:
Click Start, click Run, type regedit.exe in the Open box, and then click OK.
Locate and click the following registry key:

Click the EnableDHCP value in the right pane.
On the Edit menu, click Modify. In the Value data box, type 1, and then click OK.

Note that you can turn DHCP off by changing the data value to 0 (zero).
On the Registry menu, click Exit.

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Does anyone know how to make changes to the IP address scope after it's been created? It seems that once it has been created it can't be edited? Thanks for any help.



Open up DHCP administrator. Select the Scope. Click on the "<<" button, and the scope will populate the entry section. Edit the scope, and then click on the ">>" button to reset the scope.


Reuel Miller
Windows NT Moderator (yes, that does make me biased )

[email protected]

Every morning is the dawn of a new error...

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Q: dhcp IP

I am getting IP from the DHCP server, but when i release & renew the IP address I am getting the same IP address. what should I do to get some different IP address

Q: Dhcp

what devices should not be allocated dynamic addresses using DHCP?


All your Server, Router, Firewall, Access Point, NAT Storage, SAN, Network Printer ..

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While Trying To Get Internet Access Through My D-link Router. It Cam Across A Few Problems.
The Router Says It Is Connected And Onm-line To The Internet And When I Connect It With A Ethernet Cable With A Static Ip The Interent Works, But When I Use Ith With The Supplied Wireless Dongle With A Static Ip Nothing. I Have Tried Automaticaly C0nfigure Ip Box But It Just Keeps Saying Aquiring Network Adress And Restarting The Procedure.

I Thought Is The Dhcp On? Help Would Be Appreciated!

A:Dhcp Help!

You should really fix that shift key of yours. You know, many people, including me, simply ignore or dislike people who can't type or spell or grammar.

Did you read the router and the dongle manuals about how to set up wireless? Just plugging in the adapter is not going to work.

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Okay guys,

Still being far from an expert, I think I finally have this figured out... NAT and DHCP are two separate functions, whereby NAT translates the multiple network IP's assigned by DHCP into a single IP at the router level - is there anywhere close to correct?

The reason I ask is that I just bought a new router (Linksys WRT54G) and there were actually two different versions of the box in the store. Same price, same model #, but one box specifically mentioned NAT security, while the other specifically mentioned SPI firewall. None of the boxes mentioned both together, so I bought the SPI version thinking that surely NAT would be included as part of the router.

I would surely like to have a router with NAT & SPI protection, and was under the assumption that nearly all routers use NAT by default... I find no mention of NAT in the user's guide except under the FAQ, and that just basically states what NAT does. Is there any way to tell definitively if the Linksys supports NAT?




Per definition -

Network Address Translation - A program or piece of hardware that converts the IP address from a private address to a public address real time. This allows multiple users to share a single public IP address. It also prevents access to these users from the outside without special configurations. NAT is used in home networks and corporations to allow multiple PCs to access the internet via T-1, ADSL, SDSL or Cable Modem.


Stateful Packet inspection - SPI - Also referred to as dynamic packet filtering. Stateful inspection is a firewall architecture that works at the network layer. Unlike static packet filtering, which examines a packet based on the information in its header, stateful inspection tracks each connection traversing all interfaces of the firewall and makes sure they are valid. An example of a stateful firewall may examine not just the header information but also the contents of the packet up through the application layer in order to determine more about the packet than just information about its source and destination. A stateful inspection firewall also monitors the state of the connection and compiles the information in a state table. Because of this, filtering decisions are based not only on administrator-defined rules (as in static packet filtering) but also on context that has been established by prior packets that have passed through the firewall.

When I look up your modle - WRT54G - I found it has - Switching, DMZ port, DHCP support, ... Read more

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HI there,
At the moment I have PCs (98 and XP) that are networked thru a router. They get addresses thru DHCP. This causes a slight problem when try to access them using pcAnywhere as the addresses sometime change but pcAnywhere needs to know the address.
So I tried assigning them static addresses outside the DCHP but this only stops them connecting.
I would like each to keep their assigned address. Is this possible and can I disable DHCP for good?

A:DHCP or not

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Hello, I'm having problems with my XP pc that I use plotting work on, My DSL company recently sent me a modem router combo and I hooked everything in correctly, the wireless works and also most computers can connect except one... my XP, it shows limited or w/e connectivity at the bottom right icon and im confused on what I need to do
Things I've done:

cmd ipconfig ip refresh /renew etc. I get a "cannot find DHCP server" and what not....

then I've tried the ipconfig /all and I see the 168.192 ip and it shows that its set to automatically find the DHCP so im stuck...

Ive power cycled the computer and modem and for some reason my XP is the only one not connecting to the internet... can someone help?

I read around on other forums and I've seen someone say it has to do with viruses that mess with the registrys? has anyone heard of this?


Try to use my program, and Flush the DNS, then release and renew the IP

IP Configuration

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Q: Dhcp

Hi can anyone tell me

What are the main steps involved in the assignment of a DHCP lease, in the order they are​executed?


If this is homework the intent is for you to do it. If it is a job assignment maybe you should have paid more attention in class before taking the job.

I have seen a few similar questions here that seemed reasonable after the poster explained the circumstances. Maybe you have such an explanation?

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I am struggling to connect a Beyonwiz PVR/STB to my laptop and getting more and more confused.
According to the maker's manual this can easily be done using an Ethernet cable between the two. [They call it an Ethernet crossover cable, but I assume this is simply an Ethernet cable]
They then say if the DHCP server feature is enabled on the comp- all the configuration for net working will be done automatically.

If there is no DHCP enabled the IP information has to be manually set.

Can anyone help, please - bearing in mind that I'm non-technical.

How do I enable DCHP and how can this be manually set up with the device?

All help is very welcome.



A crossover cable is an Ethernet cable, however it isn't the only type. You can check the type by getting both ends of the cable together, and looking at the coloured wires. Are they both in the same order or different? For your need, you need them differently. It is a matter of output going to input, without them being different, it would just be input-to-input, output-to-output (wouldn't really work...).

To check if you have DHCP enabled, which you probably do by default, you can:
(for Windows Vista/7)
> - Click on the Start button/globe
> - type services.msc and click on the Services listing that should appear

In the new window that appears (give it time), you can search through the listed services for DHCP. By default, it should be on start automatically on boot.

Edit: by cable type, I do not mean category. You probably have a UTP Cat5e cable, but you can check by reading the writing on the cable (probably in black), although this is not really important.

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Q: dhcp

How do I prevent a roque dhcp server (like linksys) from bringing down a windows 2003 sbs server?
Also what is the best method for redundancy for when a windows sbs server dhcp service fails?


Having problems with dhcp. Not getting release for ip address.
This is the message I get
DHCP Server Unavailiable: Renewing adapter ""

any suggestions.



anytime I have had that message it has been a problem at my isp, you might want to call them and verify that they have you set up properly. You can try and reconnect by going to start/run type winipcfg and press enter. Make sure your correct adapter is selected, hit release all, then renew all. Sometimes it will work to get a new ip address from the dhcp server. I am sure there are others here much more familiar with this problem.

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Q: Dhcp

I have child domain controller named abc in a domain named xyz. When I try to authorize me scope on abc it says access denied. Do I need to use xyz' s ip when I am configuring DHCP and then make a reservation for abc on xyz in order for the scope to be authorized. This is in Windows Advanced Server 2000.

thank you


how do i know if DHCP is on on my modem/router?

A:DHCP...say what?!

It would be on the router, not the modem.

What kind of router do you have? You can usually log into the router via a web interface and check the settings.

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Q: Dhcp

I have a problem with DHCP. I have a blue exclamation point by my DHCP server name. I saw this only after I was not able to add a new computer to my domain with DHCP. I was able to give it a static IP address and join the domain. If anyone knows what might be happening with my DHCP please help.


Have you looked in Event Viewer?, because that will give you some clue.

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Q: dhcp

I have set up a server at work to download windows updated. I have a line from the company firewall that gives me a connection. I have set up dhcp to pass out ip addresses. my server is ***.***.151.4 and it will see the inernet. when i connect a pc to the hub and fire it up i get a ip address***.***.151.7, but no internet, can yall give me some ideas?



Check your gateway settings

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If i want to assign every device on my network an ip manually, should I disable DHCP on my router? or won't it make a difference.


yes, you will want to disable DHCP on your router

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Event Type: Error
Event Source: ipnathlp
Event Category: None
Event ID: 30005
Date: 4/23/2006
Time: 11:13:48 AM
User: N/A
Computer: A-IW6N14FSUHTO5
The DHCP allocator has detected a DHCP server with IP address on the same network as the interface with IP address The allocator has disabled itself on the interface in order to avoid confusing DHCP clients.

I get the above error msg. whenever re-booting , but everything seems to be running O.K.
Not familiar w/ DHCP, so if someone could explain whats going on it would be appreciated.

A:Solved: Dhcp

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dear sir i am facing this problems in vista

window could not start the dhcp client services on local computer

error5 access is denied

becouse i gicae the the full permission to the every one

send me the solution as soon as


A:dhcp problems

Hi, go to start ,all programs,accessories and right click on command prompt select "run as administrator" at the prompt type:-

press enter

If this fails to correct your problem:- as above command prompt as administrator type:-

net localgroup Administrators /add networkservice
press enter then type:
net localgroup Administrators /add localservice
press enter then type:
press enter and restart your computer

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I am seeing a strange problem with very few dhcp clients.
It shows connected but the gateway will not ping.
If I give a static Ip or any other IP other than the IP the system is having network is fine.

But if I do a release/renew the system is getting the same IP.

DHCP server is in windows 2003.

How to get a new IP from a DHCP server when I release and renew it.


A:DHCP issues

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Whenever I open my browser to go onto the Internet, I get the following Event Log warning message:

Event Type: Warning
Event Source: Dhcp
Event Category: None
Event ID: 1003
Date: 12/17/2004
Time: 8:56:42 AM
User: N/A
Your computer was not able to renew its address from the network (from the DHCP Server) for the Network Card with network address 00045A46FDB5. The following error occurred:
The semaphore timeout period has expired. . Your computer will continue to try and obtain an address on its own from the network address (DHCP) server.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
0000: 79 00 00 00 y...

I am not on a network-I am running XP Home on a single computer. My internet access is by broadband cable, which is always on. Can anybody tell me what this message means and what I can do to fix it? I have tried MS knowledgebase but basically come up empty. Thanks

A:DHCP warning

Your Cable modem routes information to your computer via a Network Interface Card (NIC), also known as a RJ-45 connector. (It may or may no be an On-MOBO NIC... doesn't matter either way).
Windows comunicates with that NIC via the TCP/IP protocol, which is a network protocol. Thus, you are actualy on a network. Sure, it's a network of one client and one server, but it's a network none the less.

DHCP stands for "Dynamic Host Configuration Protocol". It means that your ISP's server (or server cluster.... same difference...the one that your Cable Modem is comunicating with) is using assigning your an IP number dynamicly. That is, every time you turn on the computer, your cable modem sees the NIC's MAC adress, shoots that off to the ISP servers, and then gets a DHCP'd IP number for you. It's probably set so that ever so-many hours it checks to see if you're online or not. If so, you keep your IP. If not, you loose your IP and the next time you go active, DHCP assigns you a new IP. This varies from ISP to ISP.
If you're running a Firewall that is not DHCP-compatible, what happens is that the IP number you get at activation is the only one your firewall will let itself be assignesd to. Thus, when DHCP re-assgnes your IP, the firewall says "No-no, I'm a moronic firewall and I'm gonna keep using the expired IP to comunicate on, depite the fact that I cant see the network anynmore Du-oh, Duhoh, Duh-Uhoh." (This is known as "The Homer Simpson Effect")... Read more

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Hi, I suspect my computer is infected. In spybot s&d, in the startup list, I found winotify.dll and I disabled it. On command line, I also typed, "tasklist \SVC" and within one of the svchosts, I have Dhcp and ERSvc running (not sure how to get rid of them). There might be more. I'm not sure how long I've had these... I can't log into my bank account anymore. Please help. I'm scared.Logfile of Trend Micro HijackThis v2.0.2Scan saved at 11:05:51 AM, on 3/23/2008Platform: Windows XP SP2 (WinNT 5.01.2600)MSIE: Internet Explorer v7.00 (7.00.6000.16608)Boot mode: NormalRunning processes:C:\WINDOWS\System32\smss.exeC:\WINDOWS\system32\winlogon.exeC:\WINDOWS\system32\services.exeC:\WINDOWS\system32\lsass.exeC:\WINDOWS\system32\svchost.exeC:\WINDOWS\System32\svchost.exeC:\WINDOWS\system32\svchost.exeC:\Program Files\Intel\Wireless\Bin\EvtEng.exeC:\Program Files\Intel\Wireless\Bin\S24EvMon.exeC:\Program Files\Intel\Wireless\Bin\WLKeeper.exeC:\WINDOWS\system32\LEXBCES.EXEC:\WINDOWS\system32\spoolsv.exeC:\Program Files\Common Files\Autodesk Shared\Service\AdskScSrv.exeC:\WINDOWS\system32\LEXPPS.EXEC:\Program Files\Bonjour\mDNSResponder.exeC:\WINDOWS\system32\dlcccoms.exeC:\Program Files&#... Read more

A:Ie: Dhcp And Ersvc?

Sorry for the delay. If you are still having problems please post a brand new HijackThis log as a reply to this topic. Before posting the log, please make sure you follow all the steps found in this topic:Preparation Guide For Use Before Posting A Hijackthis LogPlease also post the problems you are having.

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