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Validate Microsoft Forefront for SharePoint Installation

The following procedure can be used to test whether an installation of Microsoft Forefront is valid.

1. In Central Admin -> Operations -> Blocked file types, temporarily remove the com extension.
2. Open Notepad and add the following text to a new text file:

   X5O!P%@AP[4PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*

3. Save this file as EICAR.COM
4. Upload to a document library and if everything is installed correctly, you will get this:
   
5. Add the extension com back to the blocked file types.

If you don't see the above screen, then your installation of Forefront isn't working.