Microsoft KB Archive/255185

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Knowledge Base

Non-Administrator Terminal Server Users Do Not Have Access to Internet E-Mail in Outlook 98

Article ID: 255185

Article Last Modified on 11/1/2006


  • Microsoft Windows NT Server 4.0, Terminal Server Edition

This article was previously published under Q255185


After you use the Add/Remove Programs tool to install Microsoft Outlook 98 on a computer running Terminal Server, users who are not members of the Domain Admins group cannot access Internet e-mail from Outlook.


To resolve this behavior, modify users' permissions. Follow these steps:

  1. Install Outlook 98 while Terminal Server is in Installation mode.
  2. Run the Microsoft Office 97 Compatibility Script that comes with Terminal Server.
  3. From Windows NT Explorer, assign the Everyone group Change permissions on the %SystemRoot%\System32 folder. Do not apply the permissions to existing files or subfolders.

WARNING: While this allows users to create the temporary files that Outlook 98 needs for Internet e-mail, it may allow a user to modify an existing file in the %SystemRoot%\System32 folder and compromise the security of the Terminal Server computer.

  1. Assign the Everyone group Read access to the Gapi32.dll file in the %SystemRoot%\System32 folder.


To install a program or device in Installation mode, at a command prompt, type the following command and press ENTER:

change user /install

Install the program or device, and then return to the command prompt, type the following command, and press ENTER:

change user /execute

If the program or device installation requires you to restart the server, restarting now returns the server to Execution mode.

Execution mode is the standard Terminal Server mode; the server starts in this mode when you start the system. In this mode, the system does not operate globally. It keeps many concurrent user sessions completely separate from each other, including the user at the system console, and every user has a Windows and Windows\System folder that no one else uses. If a program requests the location of the system root, the system points the program to the user's Windows folder rather than to the actual Terminal Server system root.

This is appropriate for program use but not for installation. A program or device that you install with Terminal Server in Execution mode works for you but not for anyone else. In Installation mode, the system installs a program or device for global access, so it works for all users.

Keywords: kbprb KB255185