Event ID 5377 is logged on an Office Communications Server 2007 R2 Group Chat server

Symptoms
The following event is logged in the Office Communications Server log on a Microsoft Office Communications Server 2007 R2 Group Chat server. 

Log Name: Office Communications Server
Source: OCS MGC
Logged: Date
Event ID: 5377
Task Category: (1099)
Level: Error
Keywords: Classic
User: N/A
Computer: Computer Name
Description:
Failed to update the database with AD changes. [121] String or binary data would be truncated. The statement has been terminated.


Cause
This issue occurs if you create a user in the Active Directory directory service who has a distinguished name of more than 256 characters, and then you add this user to a distribution group.
Resolution
To resolve this issue, install the following cumulative update:
2549044 Update package for the Office Communications Server 2007 R2 Group Chat server: June, 2011

Note After you apply this update,the Group Chat server supports up to 384 characters in the distinguished name.
Properties

Article ID: 2549052 - Last Review: 06/21/2014 16:04:00 - Revision: 3.0

Microsoft Office Communications Server 2007 R2 Group Chat server

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