You install the cumulative update package that is described in Microsoft Knowledge Base (KB) article 977349 on a Microsoft Office Communications Server 2007 R2 server, this server is part of an Active Directory environment that has a large Active Directory database. In this situation, the update process fails. Additionally, you find the following error message in the QFE_DBSetup.log file:
Attempting to discover BackEnd SQL instance from AD.
The Dbqfeupdate.wsf script runs an LDAP query on the non indexed objectClass attribute of Active Directory. This query may take several minutes to complete on a large Active Directory database. Therefore, the time-out occurs.
Note The default time-out value in the script is 300 seconds.
To fix this problem, apply the following cumulative update:
983568 Description of the cumulative update package for Office Communications Server 2007 R2 database: May 2010
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This problem occurs in an Active Directory environment in which the forest functional level or domain functional level is Windows Server 2000 or Windows Server 2003.
This problem does not occur in an Active Directory environment in which the forest functional level or domain functional level is Windows Server 2008. The objectClass attribute is indexed in this functional level.
To read KB article 977349, click the following article number:
977349 Description of the cumulative update package for Office Communications Server 2007 R2 database: January, 2010