How to upgrade Exchange 2010 to SP3

Simplified process:
1) Copy the Exchange 2010 SP3 media to the hard drive of your Exchange server(s)
2) Right click the setup.exe and click ‘run-as-administrator’
3) Proceed through the upgrade process and reboot the server at the end
Note: I recommend upgrading servers one at a time.

More complex environments:

  •  If you are upgrading an Exchange 2010 DAG to SP3 you can follow these steps for installing Exchange Service Packs and Rollups on DAG Members.
  •  If you have servers with separate roles for example CAS servers and Mailbox servers and separate Exchange Servers, it is recommended that you upgrade the client access servers first.


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