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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Windows Installer 4.5 is missing for Windows Server 2003 R2 users

Windows Installer 4.5 is missing for Windows Server 2003 R2 users

Overview

This article describes how to enable Express Installer option when using Windows Server 2003 R2.

Environment

All NPM versions

Cause

Windows Installer 4.5 is not available.

Resolution

  1. Go to the Microsoft website (http://www.microsoft.com/en-us/download/details.aspx?id=8483) and download Windows Installer 4.5.
  2. Install Windows Installer 4.5.
  3. Restart Orion Installer.
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