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Event ID 4104 — Remote Desktop License Server Availability

Applies To: Windows Server 2008 R2

The Remote Desktop license server relies on the Remote Desktop Licensing service to be running to install, issue, and track the availability of Remote Desktop Services client access licenses (RDS CALs).

Event Details

Product: Windows Operating System
ID: 4104
Source: Microsoft-Windows-TerminalServices-Licensing
Version: 6.1
Symbolic Name: TLS_E_RPC_LISTEN
Message: The remote procedure call (RPC) port is not listening.

Resolve

Start the Remote Desktop Licensing service

To resolve this issue, start the Remote Desktop Licensing service on the Remote Desktop license server.

To perform this procedure, you must have membership in the local Administrators group, or you must have been delegated the appropriate authority.

To start the Remote Desktop Licensing service:

  1. On the license server, open the Services snap-in. To open the Services snap-in, click Start, point to Administrative Tools, and then click Services.
  2. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Yes.
  3. In the Services pane, right-click Remote Desktop Licensing, and then click Properties.
  4. On the General tab, ensure that Startup type is set to Automatic. If it is not, click Automatic, and then click Apply.
  5. Under Service status, click Start.
  6. Click OK to close the Remote Desktop Licensing Properties dialog box.
  7. Confirm that the Status column for the Remote Desktop Licensing service displays Started.

Verify

To verify that the Remote Desktop license server is available, ensure that the Remote Desktop Licensing service is running.

To perform this procedure, you must have membership in the local Administrators group, or you must have been delegated the appropriate authority.

To verify that the Remote Desktop Licensing service is started:

  1. On the license server, open the Services snap-in. To open the Services snap-in, click Start, point to Administrative Tools, and then click Services.
  2. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Yes.
  3. In the Services pane, locate Remote Desktop Licensing.
  4. Confirm that the Status column for the Remote Desktop Licensing service displays Started.

Remote Desktop License Server Availability

Remote Desktop Services