To manually update the scan engine:

1. On the ScanMail or Messaging Security Agent server, download the latest copy of the scan engine from Trend Micro.
    

   To perform a manual rollback, download the previous version of scan engine or use an existing backup.
2. Stop the following ScanMail services:
   • Trend Micro Messaging Security Agent System Watcher Service
   • Trend Micro Messaging Security Agent Remote Configuration Server
   • Trend Micro Messaging Security Agent Master Service
3. Back up the copy of vsapi32.dll and BPMNT.dll files in the following directories:

   ..\engine\vsapi\latest ..\engine\vsapi\primary
   ..\engine\vsapi\secondary

4. Extract the contents of the zip files from Step 1 to the following directories:

   ..\engine\vsapi\latest ..\engine\vsapi\primary
   ..\engine\vsapi\secondary

5. Restart the following services:
   • Trend Micro Messaging Security Agent System Watcher Service
   • Trend Micro Messaging Security Agent Remote Configuration Server
   • Trend Micro Messaging Security Agent Master Service

To see the updated Scan Engine version, log on to the WFBS console, go to Security Settings and select the Exchange server.

If you need technical assistance, contact Trend Micro Technical Support.