Article ID: 978362 - View products that this article applies to.
When many legacy presence users are converted to enhanced presence users at the same time, you experience performance issues in Microsoft Office Communications Server 2007 R2. These performance issues may include the following symptoms:
This issue is caused by a non-optimal code path in the SQL Server stored procedure that is used for conversion.
To resolve this issue, apply the following update:
(http://support.microsoft.com/kb/977349/ )Description of the cumulative update package for Office Communications Server 2007 R2 database: January, 2010
To work around this issue, reduce the number of users who are converted from legacy presence users to enhanced presence users at the same time.
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