The UserMgrCom service crashes intermittently in Forefront Unified Access Gateway 2010

Applies to: Microsoft Forefront Unified Access Gateway 2010 Service Pack 1Forefront Unified Access Gateway 2010

Symptoms


On a server that is running Microsoft Forefront Unified Access Gateway 2010, the Microsoft Forefront UAG User Manager (UserMgrCom) service may crash intermittently. When this occurs, an error message that resembles the following is logged in the Application event section of the Windows Logs event log:



Cause


This problem occurs because of heap corruption in the service.

Resolution


To resolve this problem, install Service Pack 4 for Microsoft Forefront Unified Access Gateway 2010.

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References


See the terminology Microsoft uses to describe software updates.