I am using Apple MacBook Pro 15-inch Retina with native Apple Mac OS X Catalina 10.15.7 installed, Microsoft Remote Desktop client for Mac OS X version 10.4.1 (1825), and it was working fine even with earlier versions of Mac OS X and RDC client since March 2020, but once after September 2020 I am receiving error message when trying to connect to the same terminal server under Windows Server 2012 R2 Standard: «Unable to connect - We couldn’t connect to the remote PC because the license for this device isn’t valid. Contact your network administrator for assistance. Error code: 0x104.»
Microsoft Remote Desktop 10 Mac Export Files
And it is even more strange that from the same Mac, using Microsoft Remote Desktop client for Mac OS X Beta - version 10.4.1 (1818) - I am connecting with no any problems. The key factors are: 'the license for this device isn’t valid', error code 0x104 and Microsoft Remote Desktop client for Mac OS X beta - version 10.4.1 (1818) works fine.
Microsoft Rdp Mac Os
Seem that Microsoft Remote Desktop client for Mac OS X creates some folder or file with license information which should be removed to allow RDC to connect - as beta client works fine and I believe it is installed to another folder.
My solution: in folder '/Users/'user_name'/Library/containers' rename (or remove) two folders: 'com.microsoft.rdc.macos.qlx' и 'com.microsoft.rdc.macos'. After just re-install Microsoft Remote Desktop client for Mac OS X, error '0х104' disappears, and client becomes able to connect to remote server.
Microsoft Remote Desktop (Formally Known as Remote Desktop Connection) in Mac OS X. Microsoft Remote Desktop, a free application from Microsoft, allows you to use a Mac laptop or desktop to connect to and work from a Windows desktop computer that you.
MacBook Pro Retina
Posted on Feb 1, 2021 12:11 AM