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Resolved: ArcMap remote desktop connection error

03-23-2020 08:28 AM
New Contributor III

For some reason I have been getting the following error when trying to start an instance during a remote desktop session (most probably related to the graphics card). 

ArcGIS: LoadLibrary failed with error 87:The parameter is incorrect. 

Here's how I solved the problem (Edit Group Policy tool from Control Panel):

-Right click on Windows start menu and select Run (or windows+R)

-type cmd 

-type gpedit.exe

-go to: Local Computer Policy\Computer Configuration\Administrative Templates\Windows Components\Remote Desktop Services\Remote Desktop Session Host\Remote Session Environment

-set following parameters to Enabled

Use hardware graphics adapters for all Remote Desktop Services sessions
Prioritize H.264/AVC 444 graphics mode for Remote Desktop Connections
Configure H.264/AVC hardware encoding for Remote Desktop Connections
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