Microsoft: RDP to Windows 2003 R2 fails – Protocol error

Last week I got some trouble to connect a Windows 2003 R2 32-Bit VM by using RDP.. I received this error:

Because of a protocol error, this session will be disconnected. Please try connecting to the remote computer again.


To resolve this issue you can delete the “MSLicesing” key/folder in the register. Goto:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ , delete MSLicesing folder and reconnect the server.


Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has 15+ years experience in IT, primary focus: virtualization and modern worksplace.

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