Kerberos error

Hi all,

I am running a DC on Windows 2003 and my System Event Viewer is full of Kerberos error .... it doesn't seem to affect anything but I want to make sure these eror won't lead to anything else.

Event Type:      Error
Event Source:      Kerberos
Event Category:      None
Event ID:      3
Date:            7/9/2009
Time:            1:12:13 AM
User:            N/A
Computer:      NMMC-DC
Description:
A Kerberos Error Message was received:
         on logon session
 Client Time:
 Server Time: 5:12:13.0000 7/9/2009 Z
 Error Code: 0xd KDC_ERR_BADOPTION
 Extended Error: 0xc00000bb KLIN(0)
 Client Realm:
 Client Name:
 Server Realm: NMMC-NET.LOCAL
 Server Name: host/nmmc-dc.nmmc-net.local
 Target Name: host/nmmc-dc.nmmc-net.local@NMMC-NET.LOCAL
 Error Text:
 File: 9
 Line: ae0
 Error Data is in record data.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 30 15 a1 03 02 01 03 a2   0.¡....¢
0008: 0e 04 0c bb 00 00 c0 00   ...»..À.
0010: 00 00 00 03 00 00 00      .......


Also I setup another DC for redundancy and made it a glaobal catalog and all but I can't seem to connect to it when the main DC is down. I don't know if this could be related.
nmmcfkAsked:
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PberConnect With a Mentor Solutions ArchitectCommented:
See this regarding the Kerberos errors:
http://mailman.mit.edu/pipermail/kerberos/2005-February/007231.html

http://technet2.microsoft.com/windowsserver/en/library/b36b8071-3cc5-46fa-be13-280aa43f2fd21033.mspx?mfr=true 

Running kerbtray and purging the tickets has worked for me in the past.

kerbtray is part of these tools:
http://www.microsoft.com/downloads/details.aspx?FamilyID=9D467A69-57FF-4AE7-96EE-B18C4790CFFD&displaylang=en

As far as your 2nd DC not picking up,   It may be the clients need to point to the 2nd DC for DNS (it is desired to have your your DCs as AD integrated DNS servers.  See this:
http://www.pberblog.com/post/2009/06/09/DC-failed-second-DC-not-authenticating-users.aspx 
 
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nmmcfkAuthor Commented:
OK I will see what I can do with that .... thanks for the info and i will kep you guys posted.
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