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Windows NT BDC does not authenticate users when Win 2k AD PDC is offline

Posted on 2003-11-20
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Last Modified: 2013-12-19
Heres the scenario.  I have a Windows 2000 Server SP-4 Active Directory Domain Controller acting as the PDC emulator.  I have a second Windows NT 4 SP-6a server running as the BDC.  When the Win 2k server is up and running all is well.  If I take the Win 2k AD server offline for any reason no one can log onto the domain.  For some reason the BDC does not authenticate users.  I can synchronize between the two machines with no problem.  There are no errors in the log when both machines are running.  When the PDC is offline the BDC generates netlogon error events 5719 and 5722.  These errors state that there is no domain controller available and that the computer accont cannot be validated.

Any one have any suggestions?

Thanks
Joe
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Question by:jpmigliozzi
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by:bbao
ID: 9793930
FYI:

Event ID 3210 and 5722 Appear When Synchronizing Entire Domain
http://support.microsoft.com/?id=kb;en-us;142869

Netlogon Event ID 5770 and 5722 on Primary Domain Controller
http://support.microsoft.com/?id=kb;en-us;180114

heop it helps,
bbao
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by:jpmigliozzi
ID: 9797146
Thanks for the input.  I already took a look at these articles and neither of them explain my specific problem.  I have a Win 2k AD domain controller with a Win NT 4 BDC.  They synchronize just fine.  Its when the Win 2k AD server is offline that no one can authenticate against the BDC.  The BDC throughs errors in the event log about no domin controllers exist and that computer accounts with access denied errors.
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by:bbao
ID: 9939853
sorry for late reply. i think you may try netdom.exe, available in w2k resource kit.
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by:jpmigliozzi
ID: 11887015
Upgraded the Win NT 4 machine to Win 2k.  Problem resolved.

joe
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