Why Does My Remote Desktop Session End Because Another User Logs In When I Log In to a Windows ECS?

Symptom

An error message is displayed indicating that your remote desktop session has ended because another user has connected to the remote computer.

Figure 1 Ended remote desktop session

Windows Server 2008

1. Choose Start > Administrative Tools > Remote Desktop Services > Remote Desktop Session Host Configuration.
   Figure 2 Remote Desktop Session Host Configuration
   
2. Double-click Restrict each user to a single session and deselect Restrict each user to a single session, and click OK.
   Figure 3 Modifying the configuration
   

Windows Server 2012

1. Choose Start > Run. In the Run dialog box, enter gpedit.msc and click OK to start Local Group Policy Editor.
2. Choose Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Connections.
   Figure 4 Connections
   
3. Double-click Restrict Remote Desktop Services users to a single Remote Desktop Services session, change the value to Disabled, and click OK.
   Figure 5 Modifying the configuration
   
4. Run gpupdate/force to update the group policy.