Article ID: 2549047 - View products that this article applies to.
Consider the following scenario:
This issue occurs because a file in a temporary folder has the same file name as the file that is downloaded. When the Group Chat client users click Open to download the file, the Group Chat client replaces bytes in the existing file, and then creates a merged file.
To fix this issue, install the following cumulative update:
(http://support.microsoft.com/kb/2549043/ )Description of the update for the Office Communications Server 2007 R2 Group Chat client: June, 2011
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