Wrong Logon Server

bweeks4510
bweeks4510 used Ask the Experts™
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Hi everybody..  quick but strange question...

I rebooted our primary domain controller (also hosting DHCP) over the weekend, and this is occuring..  

1.  computers are now using the backups server as their logon server, rather than the primary domain controller.. how do i switch that back?

2.  the DC hosted DHCP, but the backup does not (I did not set it up this way)...  it seems liek now if if connects to the backup DC, i have to provide it a static IP address, or else it pulls a 192.168.x.x address and will not connect to the internet/network..  Once i provide it a 10.10.x.x network address, it works just fine...


I am running server 2003 for both Domain controllers...  Any suggestions?


Thanks
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Commented:
Sounds like your main DHCP server has stopped responding or is answering slower than another DHCP server on your network.  Are there any relevent entries in the event logs on both DC's??  If there was no DHCP server running I would expect a 169.x.y.z address not a 192.168.y.z - it must be being served from somewhere.

You can use Microsoft's Network Monitor to see if the DHCP requests are being answered by the correct server (http://www.microsoft.com/en-us/download/details.aspx?id=4865).

Hope this helps

Priz
You need to run the ipconfig /renew to get ip from the DHCP.This can be done by using the pstool

1. Using PSexec from the PSTools package
( http://technet.microsoft.com/en-us/sysinternals/bb896649.aspx)

Put the list of client system name in an text file and use the test file with the below command

PSExec @Filename ipconfig /renew

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Commented:
Great... THanks... worked like a charm...

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