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Terminal Services

dinosaurus asked
Medium Priority
Last Modified: 2012-06-27
Hello all,

I have a simple 10 client network. I recently upgraded our W2000 Server to W2003 Server. Since then, when I try to use Terminal Services to W2003 the system says that I should buy licenses, or it needs to see a Terminal Services Licenser (or something like that).

This W2003 is a standalone server, and is not on the domain (it is not a PDC). When it was the W2000 box it did the job without any queries or TS Licenses. Now it asks for it, and cannot connect.

Any ideas how to solve this. I have 5CALS for the server.

Watch Question


>Before the upgrade you had to run the dcunpromo tool, the upgrade doesn't upgrades the license.
>All the info to install you cals on a windows 2003 server can be found on this link http://www.microsoft.com/windowsserver2003/techinfo/overview/quickstart.mspx

Below some information about upgrading a windows 2000 ts
Upgrade current Windows 2000 TS license server to Windows Server 2003

When the current Windows 2000 TS license server is upgraded to a Windows Server 2003 TS license server, already purchased and issued licenses are preserved. The license type will >>>>NOT>>>> be upgraded, by this upgrade process. The ability to upgrade already purchased licenses to 2003 TS CALs depends on the license agreement.

The process exists of a dcunpromo of the existing Windows 2000 TS license server to a member server. After dcunpromo, an upgrade of the operating system can be performed. However, it may be necessary to re-activate the License Server after the upgrade has been completed. To re-activate your license server that is upgraded from Windows 2000, start the Terminal Server Licensing tool and choose Re-activate Server from the Action menu while the server is highlighted.

Both Windows 2000 Terminal Services and Windows Server 2003 Terminal Services will request the new Windows Server 2003 TS license server for licenses.

kind regards karel
7. Installing Terminal Server CALs

Terminal Server Licensing is of no value unless it has Terminal Server CAL tokens—an electronic representation of a Terminal Server CAL—which it can issue to various terminal servers. The terminal servers, in turn, can pass the tokens to the client devices connected to those terminal servers. After you purchase the appropriate type and quantity of Terminal Server CALs, you need to install them on the computer running Terminal Server Licensing.

To install CALs:


On the computer running Terminal Server Licensing, click Start, Programs, Administrative Tools, Terminal Server Licensing.


Select the license server in the right pane, and then on the Action menu, Install, Licenses.


Follow the steps in the wizard for a successful installation of the CALs.
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8. Making Sure That Your Terminal Server Can Detect the License Server

It is essential that a Windows Server 2003 Terminal Server is able to detect a computer running Terminal Server Licensing on Windows Server 2003 for correct operation within your computing network.

Important: A Microsoft Windows 2000 license server cannot provide licenses to a Windows Server 2003 Terminal Server. However, a Windows Server 2003 license server can provide licenses to both Windows Server 2003 and Windows 2000 Terminal Server and, therefore, can support a mixed environment consisting of both Windows 2000 Terminal Server and Windows Server 2003 Terminal Server.

Although Terminal Server attempts to detect a license server automatically, you may want to explicitly specify the license server your Terminal Server connects to. We strongly recommend that you follow the directions in the Knowledge Base article, How to Override the License Server Discovery Process in Windows Server, which explains how to configure a Terminal Server to access a specific license server. This procedure requires modifying a registry key to ensure that the terminal server detects the license server.

Caution: Incorrectly editing the registry may severely damage your system. Before making changes to the registry, you should back up any valued data on the computer.

Important: Even if you install the Terminal Server and Terminal Server Licensing on the same computer, the servers may not detect each other. In this situation, be sure to follow the directions in the Knowledge Base article, How to Override the License Server Discovery Process in Windows Server

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