Hi DrBrand. I'm Greg, an Independent Advisor.
See fixes for RDP for Windows and Mac:
https://www.itechtics.com/rdp-not-working/
https://docs.microsoft.com/en-us/windows-server...
https://upcloud.com/community/tutorials/resolve...
https://wintechlab.com/remote-desktop-not-working/
https://www.liquidweb.com/kb/remote-desktop-tro...
https://windows101tricks.com/remote-desktop-not...
https://windowsreport.com/remote-desktop-wont-c... (Avoid ad links which intrude into editorial copy, especially avoid Restoro and Reimage ads)
https://windows101tricks.com/remote-desktop-not...
https://www.guidingtech.com/solve-windows-10-re...
https://4sysops.com/archives/remote-desktop-can...
https://searchvirtualdesktop.techtarget.com/tip...
https://www.sysprobs.com/connect-remote-desktop...
https://www.remotepro.ng/7-easy-methods-to-fix-...
https://www.makeuseof.com/tag/5-tips-fixing-rem...
If nothing else works you can try free TeamViewer or AnyDesk which work better and have less problems. See a comparison here:
https://www.gb-advisors.com/teamviewer-vs-anyde...
http://www.teamviewer.com/en/download/index.aspx
I hope this helps. Feel free to ask back any questions and keep me posted. I will keep working with you until it's resolved.
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