As far as I know, the multiple versions of Office can works under the same RMS environment. We can deploy RMS on one server and registry SCP. Then Office can know the RMS server information and do the protection.
George Zhao
TechNet Community Support
It's recommended to download and install
Configuration Analyzer Tool (OffCAT), which is developed by Microsoft Support teams. Once the tool is installed, you can run it at any time to scan for hundreds of known issues in Office
programs.
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Proposed as answer byGeorge123345Monday, May 18, 2015 8:59 AM
Marked as answer byGeorge123345Tuesday, May 19, 2015 2:47 AM