FIX: The Forefront Unified Access Gateway 2010 portal may intermittently become unresponsive to clients after Service Pack 2 is installed

Applies to: Forefront Unified Access Gateway 2010

Symptoms


After Service Pack 2 for Microsoft Forefront Unified Access Gateway 2010 is installed, the portal may intermittently become unresponsive to clients.

Cause


Forefront Unified Access Gateway makes LDAP calls to Active Directory when user authentication and group membership checks are performed. In certain scenarios, some of these calls may get stuck in an infinite wait state. Eventually, this problem could lead to a deadlock situation in the Forefront Unified Access Gateway environment.

Resolution


This problem is fixed in the update that is described in Description of Rollup 1 for Forefront Unified Access Gateway 2010 Service Pack 3 .

Status


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

References


For more information about software update terminology, see Description of the standard terminology that is used to describe Microsoft software updates .