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Windows Updates vs Exchange authentcation

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Windows Updates vs Exchange authentcation - 2.Sep.2005 2:24:00 PM

ezjurgen

Posts: 14
Joined: 31.Aug.2005
From: Belgium
Status: offline

Ok, not a strictly Exchange problem but only on our Exchange server it occurs

SETUP
5 servers:
SRV04= Win2k3, DC
SRV02= Win2K3, Exch 2003

50 clients:
all WinXp SP2, Office XP

Problem:
3 clients have some problem opening OL, they're been asked for credentials. When provided OL opens normally. Not only for outlook but any resource (shares etc) on the mailserver. Resources on the other server are accessable. The only thing I can see in the eventlog is on that mailserver stating:

Event Type: Failure Audit
Event Source: Security
Event Category: Logon/Logoff
Event ID: 529
Date: 2/09/2005
Time: 19:55:28
User: NT AUTHORITY\SYSTEM
Computer: SRV02
Description:
Logon Failure:
Reason: Unknown user name or bad password
User Name: USER01
Domain: SRV02
Logon Type: 3
Logon Process: NtLmSsp
Authentication Package: NTLM
Workstation Name: CL052
Caller User Name: -
Caller Domain: -
Caller Logon ID: -
Caller Process ID: -
Transited Services: -
Source Network Address: 192.168.x.86

Strange thing is, when I logon with domain admin rights on CL052 I do get everything working OK. And even more When I log on with user USER01 on another PC it works fine also...

So the problem occurs only with one user, on one client, on one perticular server.

Anybody an idea?

thanks

[ September 02, 2005, 02:31 PM: Message edited by: ez Networking ]