Error Uninstalling Internet Explorer on Terminal Server (200047)

SYMPTOMS

When you try to uninstall Internet Explorer on a computer running Windows NT Server, Terminal Server edition through the Add/Remove Programs utility in Control Panel, you may receive the following error message:

Setup has determined you have multiple versions of Internet Explorer 4.0 (5) installed in different operating systems. Setup can not uninstall the current Internet explorer installation. Please restart the machine under the other operating system and then remove Internet Explorer.

After that uninstall is complete start the system again with the original operating system and use IEREMOVE from Start, Run to completely remove Internet Explorer from this installation.

CAUSE

This problem occurs because the Add/Remove Programs shortcut does not seem to properly switch Terminal Server to the install mode when trying to uninstall Internet Explorer, which was loaded with the original installation of Windows Terminal server.

RESOLUTION

To work around this problem, follow these steps:

Click Start, click Run and then type cmd. At the command prompt, type change user /install and then minimize the command prompt window.
Manually remove Internet Explorer. To do this, click the article link below, and then perform the steps in the following Microsoft Knowledge Base article:
224412 How to Manually Uninstall Internet Explorer 4.0 for Windows NT
After the installation has been removed, go back to the command prompt and type change user /execute.

NOTE: For additional information about problems attempting to reinstall Internet Explorer, please see the following article in the Microsoft Knowledge Base:

196459 Terminal Server Upgrading IE 4.0 from Either IE 3.0 or IE 2.0