Domain Controller 2003 - Event ID 1054

I have this error on both of our 2 DCs. It appears in the application log almost every 5 minutes. I checked dcdiag and netdiag and both are reporting ok results. ANy ideas? Thank you.

Event Type:      Error
Event Source:      Userenv
Event Category:      None
Event ID:      1054
Date:            3/26/2012
Time:            12:31:46 PM
User:            NT AUTHORITY\SYSTEM
Computer:      DCDC01
Windows cannot obtain the domain controller name for your computer network. (An unexpected network error occurred. ). Group Policy processing aborted.

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This article too - there are too many leads to list so take a look -
syseng007Author Commented:
@geodash - no it is not running Hyper-V. Let me check the articles...
Are you dns records set up correctly? (DC1: Primary: DC2, Secondary DC1; DC2: Primary DC1; Secondary: DC2).

Can you post ipconfig /all from both servers?

Have you ever get negative ping times? If so try add /usepmtimer to your boot.ini (

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Windows Server 2003

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