FreeRDP/FreeRDP — Issue #488: Fail to Negotiate NLA when All Security Levels are Enabled
Author: awakecoding
Created: 2012-03-07 16:02:14+00:00
State: open

Steps to reproduce on Windows Server 2008 R2 SP1:

In the "Remote Settings", select "Allow connections only from computers running Remote Desktop with Network Level Authentication (more secure)". Connection with NLA negotiates and works fine.

Then select "Allow connections from computers running any version of Remote Desktop (less secure)", and NLA will fail to negotiate properly, reverting back to Standard RDP security instead. When this happens, three connections are done in sequence:

connected to 192.168.1.175:3389
connected to 192.168.1.175:3389
connected to 192.168.1.175:3389

Before Standard RDP is used.