Trying to use an Azure Domain credential in Run as... but the session hangs

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Hello,

I have been trying to remote into both Win11 and Win10 machines, but I get two results:

If I use Run as Administrator (the user is not an admin, need to use the local admin), I get black screen, UAC I reckon. Is there a way to stop this?

Alternatively, I tried using my Active Directory email as login into User Management, the program opens, but everything freezes, no prompts or anything to click. Tried opening other software such as Excel and it worked. Could you please provide some insight on how to remotely administer the machines?