This article has been archived. It is offered "as is" and will no longer be updated.
On a computer that is running Microsoft Antigen 9.0 for Exchange or Microsoft Antigen 9.0 for SMTP Gateways, you may notice that the AntigenRealtime.exe process frequently stops responding. Additionally, a Dr. Watson error that has the Bucket ID of 320684400 for the AntigenRealtime.exe process is logged in the Application log.
This issue is fixed in Hotfix Rollup 1 for Antigen 9.0 Service Pack 1. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
945597 Description of Hotfix Rollup 1 for Antigen 9.0 Service Pack 1
Note Before you can install Hotfix Rollup 1 for Antigen 9.0 Service Pack 1, you must have Antigen 9.0 Service Pack 1 installed.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.