We have Exchange 2010 SP2 RU8 running on 2 Mailbox Servers, 2 Hub Transport servers and 2 CAS servers.
Would I have issues if I install Exchange SP3 on the mailbox servers first then in a week install them on the CAS and HT servers?
We plan to move our Exchange servers to a new SAN and we would like to install Exchange 2010 mailbox servers on Windows 2012 Servers. Then we would move all the mailboxes to the new mailbox servers. In order to do this you have to be running Exchange 2010 SP3.
Would the upgrade order to SP3 cause issues starting with the mailbox servers?