The SP3 release notes state you can only install on Windows Server 2008 SP2 or 2008 R2.It actually includes all security and bug fixes up to SP2 UR6. Exchange 2010 SP3 is listed as including all security bug fixes up to SP2 UR5-v2.If that is a concern for your environment, but you still want the bug fixes and security updates, you might consider sticking with Service Pack 2 and applying Update Rollup 6 instead.Īt the time of this writing there are some points in the various release notes that aren’t correct or fully updated yet that Microsoft are still working on or that are worth some clarification: If you are planning to upgrade your Exchange 2010 servers to SP3 you should be aware that there is an Active Directory schema update involved. This is a significant release that delivers some key functionality to customers such as support for Windows Server 2012, support for co-existence with Exchange Server 2013 CU1, and general bug fixes and security updates. Microsoft has released Service Pack 3 for Exchange Server 2010.
