A new hotfix is available that may affect a number of SBS 2003
The symptoms described below on an SBS 2003 Server running on a system with
2 or more logical processors (this will include CPU’s with hyperthreading
support) are covered by this hotfix.
You may receive several (1 per minute) Event Id 8331 for MsExchangeAL in the
Event Type: Error
Event Source: MSExchangeAL
Event Category: Address List Synchronization
Event ID: 8331
Time: 5:06:16 PM
The service threw an unexpected exception which was caught at
Note that the source file and line number may differ
Another symptom is that AD updates from Exchange are not working, new users
do not get stamped with Exchange attributes. You may see the symptoms and
have no new events.
If you have seen those symptoms, are seeing it or even if you have an SBS
2003 system that has 2 or more logical processors and you are running
Exchange, you can contact PSS and ask for the hotfix found on KB article
837444. The call for a hotfix is a no-charge call. In order to find the
local PSS number for your country, go to http://support.microsoft.com, the
US number is (800) 936-4900.
The actual KB article is still in works and should be ready soon, but the
hotfix is live right now.
This fix will be included in Exchange 2003 Service Pack 1.
Damian N. Leibaschoff, MS IST, MCSE