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newtoitall (TechnicalUser) (OP)
8 Jun 06 8:24
Running 2003 server

1 xp on whole network will not obtain IP automatically, below error was found in Event Viewer;

The IP address lease for the Network Card with network address 000CF19CB*** has been denied by the DHCP server 192.168.*.** (The DHCP Server sent a DHCPNACK message).

For more information, see Help and Support Center at

Thing is that assigning a static ip works?

Any ideas of the problem?

Many Thanks
58sniper (MIS)
8 Jun 06 12:36
What happens if you do an ipconfig /release on that workstation, then an ipconfig /renew?

The DHCP server SHOULD send a DHCPNACK for that IP address.

Pat Richard, MCSE(2) MCSA:Messaging, CNA(2)

Want to know how email works? Read for yourself -

newtoitall (TechnicalUser) (OP)
16 Jun 06 5:35
Ok to resolve this problem I had to do the following,

From the windows 2003 server, go to DHCP, under administrative tools.

Under the DHCP tree, expand domain (, and select Address leases. Look there for the MAC address of the network card that is having difficulties obtaining IP automatically. You may find that this entry will contain BAD ADDRESS or something similar under Lease Expiration column. Delete this entry.

Go back to the PC at fault and run ipconfig /release, followed by ipconfig /nenew, under in the DOS console.

Hey presto, DHCP now works.

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