Installation Prerequisites for TS Licensing

Applies To: Windows Server 2008

TS Licensing manages the Terminal Services client access licenses (TS CALs) that are required for each device or user to connect to a terminal server. You use TS Licensing to install, issue, and track the availability of TS CALs on a Terminal Services license server.

This checklist provides tasks that an administrator should perform before installing and configuring TS Licensing.

Task Reference

Determine if a Terminal Services license server is needed.

Remote Desktop supports two concurrent connections to remotely administer a computer. You do not need a license server for these connections.

Verify that the license server supports the operating system of the terminal servers.

TS Licensing in Windows Server 2008 supports terminal servers that run:

  • Windows Server 2008

  • Windows Server 2003 R2

  • Windows Server 2003

  • Windows 2000

A terminal server running Windows Server 2008 can only communicate with a license server running Windows Server 2008.

Determine which type of TS CALs to use.

Terminal Services Client Access Licenses (TS CALs)

Purchase the appropriate type and number of TS CALs.

Purchase Client Access Licenses (

Determine the method of the Terminal Services license server discovery.

Terminal Services License Server Discovery