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Event ID 1000 is logged when the Registrar service crashes on a Lync Server 2010 front-end server


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Symptoms

The Registrar service crashes on a Microsoft Lync Server 2010 front-end server after you migrate users from Microsoft Office Communications Server 2007 to Lync Server 2010. Additionally, the following event is logged in the Application log:

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Cause

This issue occurs because certain user contact entries are incorrect on other users' contacts list. For example, the "user1@" contact entry does not have a domain name. After the migration process, the Registrar service cannot receive information from the corrupted entry when the user logs in. Therefore, the Registrar service crashes.

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Resolution

To resolve this issue, install the following cumulative update:
2571546 Description of the cumulative update for Lync Server 2010: July 2011

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Workaround

To work around this issue, use the Dbimpexp.exe tool to verify that all the contact entries are correct before you perform the migration.

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Keywords: kbqfe, kbfix, kbexpertiseadvanced, kbsurveynew, kbhotfixrollup, kb

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Article Info
Article ID : 2571537
Revision : 1
Created on : 1/7/2017
Published on : 6/21/2014
Exists online : False
Views : 261