Thanks for your reply. I've tried unchecking NLA, changing Group Policy settings...basically, everything I could find on the Internet but still no success. I still get Error code: 0x204 when using a Microsoft Remote Desktop Version 10.3.8 with a Macbook Pro running Catalina Version 10.15.3. I connect with the Meraki VPN just fine using either a Windows 10 or the Macbook Pro. Microsoft RDP on Windows 10 works fine; Microsoft RDP on Catalina will not connect. Any other thoughts?
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