@RMerrisKemperCPA That's a great question!
While we don't support RDS, it sounds like your method works. If you want your POS to open from multiple computers at once, you may want to install it on the local machine and access the files on the server.
Here are some suggested workarounds from other users in the community: QuickBooks RDS Server Certificate Revoked
Let us know if you have additional questions.