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Event ID 21071 occurs in Office Communications Server 2007 R2
Article ID: 978375 - View products that this article applies to.
You have a computer that is running Microsoft Office Communications Server 2007 R2. The following event is logged in the Office Communications Server log:
Event Type: Error
Note This issue only affects Microsoft Office Communicator Mobile 2007 R2 users.
In a Microsoft SQL Server database, index comparisons are made by using the Latin1_General_CI_AI collation. Because the rules for this collation are case-insensitive and accent-insensitive, values that contain accented characters will be indexed without these accents. For example, the value hélène@vdomain.com will be indexed as email@example.com. However, when the attribute also has the value firstname.lastname@example.org, this value will also be indexed as email@example.com. Because of these duplicate indexes, SQL Server throws an exception.
To fix this problem, apply the following update:
(http://support.microsoft.com/kb/977345/ )Description of cumulative update for Office Communications Server 2007 R2: January, 2010
To work around this issue, you can remove values from the proxyAddresses attribute that are identical, except for differences in accents. In the example that is provided in the "Symptoms" and "Cause" sections, you might remove hélène@vdomain.com from the proxyAddresses attribute.
Article ID: 978375 - Last Review: January 7, 2010 - Revision: 1.1