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CityEngine does not launch when accessed from a remote desktop connection.
This occurs because CityEngine requires OpenGL 2.x to render graphics. Remote Desktop (RDP) does not support OpenGL on client machines higher than 1.1. Therefore when CityEngine is started by a remote desktop connection, the display is emulated with OpenGL 1.x causing it to display the following error.
This occurs even when the physical machine that CityEngine is installed on has an acceptable version of OpenGL.
There are two possible approaches to resolve this problem.
Start CityEngine on the machine prior to initiating a remote desktop connection.
Create a batch file to disconnect the remote desktop session and automatically start City Engine on the computer.
Example of the batch file:
#Use query session in cmd to determine session ID, usually 1
#User running RDP must be an admin.
#This disconnects RDP
tscon 1 /dest:console
#This starts CityEngine
start "CE" "C:\Program Files\ESRI\CityEngine\CityEngine.exe"