It is not recommended to enable DirectX and Graphic Acceleration on server.
Step by Step
On your Desktop Right-click and click on Properties
In Display Properties, Go to Settings tab and click on Advanced button in bottom
After clicked on Advances button, go to Troubleshoot tab and move the arrow to Full (according to diagram) and then press OK and then press OK.
Now click on Start and then click on Run and type dxdiag in Run input box, after that wait for moment the progress indicator disappear.
In DirectX Diagnostic Tool, go to Display tab and make sure all three DirectX features are Enabled
Now you are enabled DirectX and Graphics Acceleration