Exchange 2010 SP2 installation Update Rollup 4-v2 Error code 0x80070643


Installation of Rollup 4 for Exchange 2010 SP2 fails:

Few days ago Microsoft has released new versions of latest Rollups for Exchange 2010 and 2007.

All of those rollups (version 2) we can install on server without uninstalling previous version.

When you are trying to install version 2 of Rollup 4 for Exchange 2010 SP2 you can get error 0x80070643 


How to resolve issue with Rollup 4 v2 for Exchange 2010 SP2 error code 0x80070643


If during installation of Rollup 4 version 2 you will get error code 0x80070643 then you have to do following:

  1. uninstall from Windows Server Windows Management Framework 3.0  (WMF 3.0) (Windows6.1-KB2506143-x64)
  2. reboot server
  3. install update Rollup 4-v2 for Exchange 2010 SP2
  4. reboot server
  5. install Windows Management Framework 3.0 after installing the Rollup 4-v2
    because of issues with installation of Rollup 5 and WMF 3.0 it’s better to not install WMF 3.0
  6. reboot server

We hope it will also help to update yours environments.



Microsoft re-releases update rollups for Exchange 2007 and Exchange 2010


Microsoft Re-Releases Exchange 2010 SP2 Rollup 4, Exchange 2010 SP1 Rollup 7, Exchange 2007 SP3 Rollup 8


After users complains Microsoft has re-released the latest rollups update for Exchange 2010 and Exchange 2007.

Last updates address an issue in which digital signatures on files produced and signed by Microsoft will expire prematurely.

This problem is described in:
Microsoft Security Advisory 2749655 


New version of Exchange 2010 SP2 rollup 4 also includes an additional fix:

2756987: Outlook only returns one result after you click the “Your search returned a large number of results. Narrow your search, or click here to view all results” message.


The updates can be found here:


As always we recommend to to test new rollups in Exchange test environment, and also to wait few days or weeks before install in Exchange production environment.