HI
0.Could you please enter winver in command prompt on local win10 computer and remote computer then look the os version and os version number ?[for example windows 10 enterprise 1809 (os build 17763.316)]
1.Do you use "remote desktop app for Mac" or "windows store remote desktop app" to get 0x4 error?
(1)If you are using "remote desktop app for Mac", we can check if below document can help you.
https://interactivewebs.com/apple-mac/how-to-fix-mac-microsoft-remote-desktop-rdp-error-code-0x4/
(2)If you are using "windows store remote desktop app", Could you please test below conditions?
If we try to uninstall "windows store remote desktop app" first then reinstalled the latest "remote desktop app" from windows store, will the same issue happen?
When we install the "windows store remote desktop app" on the other win10 computer and remote access the remote pc, will the same issue happen?
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