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DHCP Problems on Windows Server 2003
The server is set up to run DHCP, and I've disabled this on the modem/router. I have intermittent problems with the DHCP server. The DHCP server will start and clients will connect, and be able to connect to the Internet. However, at some point, the DHCP server will shut down.
There seems to be a 'rogue' DHCP server on the LAN --- clients will obtain a different gateway and IP address, and will fail to connect to the Internet.
I can disconnect everything from the modem/router except the SBS server, and re-start DHCP.
Other than testing each client computer, how can I make the SBS the authoritative DHCP server? I have clients running both XP and Vista. Most of the client computers are laptops.
The server was running until it crapped out ... and so for a time, the modem/router was the DHCP server. We have replaced the modem/router, and gotten the server running again. Until this situation gets resolved, there is no wireless enabled on this network.