If you using a Windows server in the trial version, and you have activated Remote Desktop Session Host, after a certain amount of days remote access can be disabled, due to the trial version limitations. Without being a full version of Windows, you still can activate Remote Desktop, however, you need to disable RDSH.

STEP 1. Open “Server Manager“

STEP 2. Click “Manage” and then click “Remove Roles and Features“.

STEP 3. Click “Next“, after that “Next” and uncheck the “Remote Desktop Services“.

STEP 4. Click “Remove Features“.

STEP 5. Click “Next“, after that “Next” and then click “Remove“.

STEP 6. Wait until the Services will be removed and restart the server.