Article ID: 957547 - View products that this article applies to.
The AntigenDiag.exe tool does not collect engine version information in the verAntigen.csv file after you run the AntigenDiag.exe tool on a clustered server that has Antigen 9.0 for Exchange with Service Pack 1 (SP1) installed.
To resolve this issue, install Hotfix Rollup 5 for Antigen 9.0 with Service Pack 1. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
957075Note You must install Antigen 9.0 for Exchange with Service Pack 1 before you install Hotfix Rollup 5 for Antigen 9.0 with Service Pack 1.
(http://support.microsoft.com/kb/957075/ )Description of Hotfix Rollup 5 for Antigen 9.0 Service Pack 1
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.