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Update: Manually removing IMF v1

Scott Schnoll has an update regarding the recent post Intelligent Message Filter (IMF) v1 download removed from microsoft.com, and the issue of not being able to remove IMF v1 from Add/Remove Programs (if one doesn’t remember which account was used to install it or the account is no longer available) without reinstalling it. Here’s the process to manually remove IMF v1 as documented in Microsoft Exchange Server Intelligent Message Filter v2 Operations Guide [available here].

To manually remove Intelligent Message Filter v1:
1. Stop all Exchange services (Information Store, System Attendant, SMTP, and Exchange-aware antivirus services).
2. Rename the MSCFV1 folder in X:\Program Files\Exchsrvr\bin, where X is the drive letter where Exchange Server is installed.
3. Rename the ContentFilter.dll file in \Exchsrvr\bin\
4. Open Regedit and export the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Exchange
5. Delete the ControlFilterVersion subkey from the registry.
6. Restart the server. You should now be able to install Exchange Server 2003 SP2 without errors.

Written by

Bharat Suneja

0 Comments

  1. Richard Tubb

    Thankyou Bharat – this solution saved me during a problematic SBS R2 re-install today! :-)

  2. Anonymous

    Will give it a go in 3 minutes.

    See what happens.

    BR Jure

  3. Anonymous

    If this doesn’t work does anyone know of another solution?

  4. Anonymous

    Thanks, this worked realy wel! :)

  5. qlinden

    This Guy is my new hero, Thanx a millloin!

  6. Anonymous

    Steps 2 and 3 could not be found but the registry entry was there and that is all it took for me to continue on with the SP2 update. Bizarre!

  7. Anonymous

    Just a rant – in the registry, delete the VALUE "ControlFilterVersion" – it's not a SUBKEY…

  8. Anonymous

    Actually its not ControlFilterVersion. Its ContentFilterVersion. ;)

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