You receive a "The Windows Installer service could not be accessed" error message when you run the Office 2000 Setup program

When you run the Office Setup program, or in Control Panel click Add/Remove for Microsoft Office 2000, the following error message appears:

This error will appear when both of the following are true:

• You are logged into a Microsoft Windows Terminal Server from a Windows Terminal Server client as a non-administrator user. -and-
  
  
• You try to run Setup for Office.

If you want to run setup for Office, follow these steps:

1. Log in to the Windows Terminal Server console (not from a client) as a member of the Administrators group.
2. Click Start, point to Settings, and click Control Panel.
3. In Control Panel, double-click Add/Remove Programs.
4. Double-click <Microsoft Office 2000 product> in the Add/Remove Programs list. where <Microsoft Office 2000 product> is the installed version of Office.

If you do not have administrative permissions on the computer running Windows Terminal Server, see your System Admininstrator.

When running the Windows Terminal Server Client you cannot run Windows Installer without administrative permissions. When you run the Office Setup or click Add/Remove Programs in Control Panel, the Windows Installer service will run. Administrative permissions are required because certain components of Office programs write to keys in the Windows registry.

For additional information about installing Office on Windows Terminal Server, please see the following article in the Microsoft Knowledge Base: