Microsoft Office Communications Server 2007 R2 (KB978367) Front-End service does not start if the connection to the root domain controller is lost

Symptom Following two events will be seen in the Office Communications Server Event Log Source:        OCS WMI ConsumerEvent ID:      20491Task Category: (1002)Level:         ErrorKeywords:      Classic Source:        OCS Protocol StackDate:          2/4/2010 9:32:37 PMEvent ID:      14421Task Category: (1001)Level:         WarningKeywords:      Classic You have already ensured that the Child DC is designated as the global catalog server as per http://technet.microsoft.com/en-us/library/cc782576(WS.10).aspx…

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