Remote desktop disconnected because of a licensing protocol error

Thus as a result of this, you received the message and are unable to bridge a Remote Desktop connection. If you face this problem on Windows Server , it is better to check if the license server is correctly installed, and Terminal Server Licensing service is running perfectly on it. Making mistakes while editing the Windows Registry could affect your system adversely.

So be careful while editing registry entries and create a System Restore point before proceeding. In the above shown window, right click on the MSLicensing key and select Export. If the LicensingMode value is set to any value other than 4, per user, then set the value to If the SpecifiedLicenseServers value doesn't exist, or it has incorrect license server information, then change it as follows:. Then the RDP will be set back to normal. If the VM has the Remote Desktop licensing role and it isn't used, you can also remove that role:.

Make sure that the VM can connect to the Remote Desktop license server. You can test the connectivity to the port between the VM and the license server:. If there's no Remote Desktop license server in the environment and you want one, you can install a Remote Desktop licensing role service. Then configure the RDS licensing. If you still need help, contact support to get your issue resolved. Skip to main content.

This browser is no longer supported. Follow this section's instructions carefully. Serious problems can occur if the registry is modified incorrectly. Before you starty modifying the registry, back up the registry so you can restore it in case something goes wrong. To resolve this problem, back up and then remove the X Certificate registry keys, restart the computer, and then reactivate the RD Licensing server. Follow these steps. If you verify that the licensing configuration is correct, but the system still isn't correctly issuing CALs, follow these steps:.

The top window of the RD Licensing Diagnoser lists problems that the diagnoser has detected. For example, you might see a message that resembles the following:. The RD Licensing Diagnoser Information section shows more information about the problem, including its possible causes and the steps to follow to remediate it.

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