Hi fellows, we find a lot of issues around the installation process of Exchange Server 2010 SP1
Before install the Exchange Server 2010 SP1, check this KB and Hot Fixes
- Microsoft Office 2010 Filter Packs
KB 977020-v2 - request
KB 977357 - request
KB 979099 - request No public
KB 979744 - request
KB 979917 - request
KB 981314 - request
KB 982867-v2 - request
KB 983440 - request
Regards