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What is KRB_AP_ERR_MODIFIED? [message #159261] Mon, 27 July 2009 22:30 Go to next message
AusUsr  is currently offline AusUsr
Messages: 1
Registered: July 2009
Junior Member
Could someone help me indentify what causes this Event ID 4. I've seen the
message come up on a number of Member Servers with various roles.
Re: What is KRB_AP_ERR_MODIFIED? [message #159265 is a reply to message #159261] Tue, 28 July 2009 03:02 Go to previous messageGo to next message
florian  is currently offline florian  Switzerland
Messages: 484
Registered: July 2009
Senior Member
AusUsr wrote:
> Could someone help me indentify what causes this Event ID 4. I've seen the
> message come up on a number of Member Servers with various roles.

Do you have a server with the same name somewhere? Have you put the
server names into the HOSTS files on clients and the server names
changed? Is there a time skew between the clients, servers and the DCs?

Cheers,
Florian
Re: What is KRB_AP_ERR_MODIFIED? [message #159276 is a reply to message #159261] Tue, 28 July 2009 05:10 Go to previous messageGo to next message
meiweb(nospam)  is currently offline meiweb(nospam)  Germany
Messages: 1307
Registered: July 2009
Senior Member
Hello AusUsr,

Additional to Florians questions please post an unedited ipconfig /all and
dcdiag /v.

Best regards

Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
no rights.
** Please do NOT email, only reply to Newsgroups
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> Could someone help me indentify what causes this Event ID 4. I've seen
> the message come up on a number of Member Servers with various roles.
>
Re: What is KRB_AP_ERR_MODIFIED? [message #159285 is a reply to message #159261] Tue, 28 July 2009 06:13 Go to previous message
pbbergs  is currently offline pbbergs  United States
Messages: 1024
Registered: July 2009
Senior Member
Run diagnostics against your Active Directory domain.

If you don't have the support tools installed, install them from your server
install disk.
d:\support\tools\setup.exe

Run dcdiag, netdiag and repadmin in verbose mode.
-> DCDIAG /V /C /D /E /s:yourdcname > c:\dcdiag.log
-> netdiag.exe /v > c:\netdiag.log (On each dc)
-> repadmin.exe /showrepl dc* /verbose /all /intersite > c:\repl.txt
-> ntfrsutl ds your_dc_name > c:\sysvol.log
-> dnslint /ad /s "ip address of your dc"

**Note: Using the /E switch in dcdiag will run diagnostics against ALL dc's
in the forest. If you have significant numbers of DC's this test could
generate significant detail and take a long time. You also want to take into
account slow links to dc's will also add to the testing time.

If you download a gui script I wrote it should be simple to set and run
(DCDiag and NetDiag). It also has the option to run individual tests without
having to learn all the switch options. The details will be output in
notepad text files that pop up automagically.

The script is located on my website at
http://www.pbbergs.com/windows/downloads.htm

Just select both dcdiag and netdiag make sure verbose is set. (Leave the
default settings for dcdiag as set when selected)

When complete search for fail, error and warning messages.

Description and download for dnslint
http://support.microsoft.com/kb/321045


--
Paul Bergson
MVP - Directory Services
MCTS, MCT, MCSE, MCSA, Security+, BS CSci
2008, 2003, 2000 (Early Achiever), NT4
Microsoft's Thrive IT Pro of the Month - June 2009

http://www.pbbergs.com

Please no e-mails, any questions should be posted in the NewsGroup This
posting is provided "AS IS" with no warranties, and confers no rights.

"AusUsr" <AusUsr@discussions.microsoft.com> wrote in message
news:97CA5B53-12A2-4B31-8D47-1705006979F3@microsoft.com...
> Could someone help me indentify what causes this Event ID 4. I've seen the
> message come up on a number of Member Servers with various roles.
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