Exchange 2010 SP2 Roll up 6 and 7 is not tested and certified to work with Archive Manger 4.6.1, but there is a good possibilty it will work well.
Archive Manager 4.6.1 is officially supported for the following Exchange 2010 platform:
- Exchange 2010 SP2
- Exchange 2010 SP1 Update Rollup 6
The latest version of Archive Manager 4.8 is supported for following:
- Exchange 2010 SP1,SP2,SP3
