Hi all,

I want to upgrade our Exchange 2010 SP1 to SP3. I'm using DAG,  Is there any risky with this action? Can you please help me best practice & recommendation?

Thank you very much!

Ho

Have a look on this informative resource which lets you how to Upgrade Exchange 2010 SP1 to Exchange 2010 SP3: https://technet.microsoft.com/en-us/library/bb629560%28v=exchg.141%29.aspx

Check this earlier discussed thread that might helps you - Exchange 2010 sp1 upgrade to sp3: http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/SBS_Small_Business_Server/Q_28058264.html

Create a GOOD backup.

Follow the following link to upgrade the servers participate in DAG environment:

http://exchangeserverpro.com/how-to-install-updates-on-exchange-server-2010-database-availability-groups/

see

https://technet.microsoft.com/en-us/library/hh529928%28v=exchg.141%29.aspx?f=255&MSPPError=-2147217396 , section Setup (the part about powershell executionpolicy)

i am not sure if it can cause issues from sp1 directly to 3 as well, but to be safe i would look out for it

Thank you so much for your help, Vincent!

Ho

Really good guide. Thank you!

Ho