We are currently looking to upgrade our Backup Exec 2012 CASO/MMS environment and have some questions:
Any information or input from other users who have gone through this would be greatly appreciated.
You should upgrade from BE2012 to BE15 directly. Before upgrade stop SQL service and make a copy of Data and Catalog folder located in the installation directory.In CASO\MMS environment you need to first upgrade CASO and then MMS.
2.The CASO and MMS's are at 2012 SP3. Should SP4 and the post HF be applied before the upgrade? (I have read some postings of many issues with SP4, so that is why we never applied it).
You can upgrade without applyig SP4.
3.If we go to 15, and since it would take some time to get all of our Windows Agents on all of the servers updated, are there any issues with running the backup servers on 15 and the Windows Agents on 2012?
Its always recommended to use CASO\MMS and Remote Agents of the same version. You should plan to upgrade remote agent at earliest.