Article ID: 2632206 - View products that this article applies to.
Consider the following scenario:
This issue occurs because the BackgroundScanningIgnoreStamp registry key is not explicitly set to 0 when the Microsoft Exchange Information Store initializes the background scanning process. The BackgroundScanningIgnoreStamp registry key set to 0 means that items that are scanned in the Hub Transport server should not be rescanned.
Note To view the BackgroundScanningIgnoreStamp registry key, locate the following subkey in the registry:
To resolve this issue, install the following update rollup:
(http://support.microsoft.com/kb/2645995/ )Description of Update Rollup 1 for Exchange Server 2010 Service Pack 2
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about the antivirus deployment, visit the following Microsoft website:
General information about the antivirus deployment
For more information about the Pickup and Replay directories, visit the following Microsoft website:
General information about the Pickup and Replay directories
Article ID: 2632206 - Last Review: February 13, 2012 - Revision: 1.0