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Windows Server 2003 and DHCP problems

I'm running a Windows Server 2003 R2 as a terminal server and a DHCP server in a seperate
network. Because of preformance tuning for terminal services the server is scheduled to restart every night 01:00 am.

After installation of  Service Pack 2 and some other security updates this week the DHCP service is not working properly. Clients can't renew their adresses.

The service seems to run as normal, all services are greeen and eventlogs looks normal.

Is there anyone who has been in to the same issue?
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1 Solution
Any other problems when using network connections to this machine? Could be one of these:

You cannot host TCP connections when Receive Side Scaling is enabled in Windows Server 2003 with Service Pack 2

You may experience network-related problems after you install Windows Server 2003 SP2 or the Scalable Networking Pack on a Windows Small Business Server 2003-based computer that has an advanced network adapter
haproAuthor Commented:
It seems like these articles refers to SBS.

I can't really see any of the other symptoms either.
haproAuthor Commented:
In this case the DHCP-server service does not stop.

But restart of the DHCP-server service solves the problem until next restart.
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Try uninstalling the security updates one each day and wait for the next restart. Sometimes these updates have unintended consequences.  

Another question, when you say you have a TS and DHCP server on separate networks I'm assuming the clients are on the same network as the DHCP server.  What happens if you do an ipconfig /release and ipconfig /renew from the client, do you get any sort of error?
haproAuthor Commented:
Hi Bluetab,

Thank you for you suggestion. I will try that. I will accept your answere as a solution.

To answere you question,
This network is separated for use of handheld PDA's. Release and renew on the PDA does not work before the DHCP service have been restarted.
If you have an extra workstation you may want to plug it in to the switch on the same network as the server and see if you can test with that machine.  Good luck
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