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Upgrading from Windows Server 2008 to Windows Server 2012 fails when the IIS7 Beta Application Warm-up Module is installed

Symptoms

When you try to upgrade the operating system from Windows Server 2008 or Windows Server 2008 R2 to Windows Server 2012 on a computer that has the IIS 7 Application Warm-up 1.0Beta module installed, the upgrade fails.



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Cause

This problem occurs because the IIS 7Application Warm-up 1.0Beta module is not supported on Windows Server 2012.


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Resolution

To resolve this problem, please take the following steps:

  1. On the Windows Server 2008/2008 R2 server, uninstall the IIS 7Application Warm-up 1.0Beta module.
  2. Perform the operating system upgrade to Windows Server 2012.

Follow the steps below to uninstall the IIS 7Application Warm-up 1.0Beta module:


  1. Click Start, type appwiz.cpl in the Start Search box, and then press Enter.
  2. In the Search Program and Features box, type Application Warm-up and press Enter.
  3. Right-click on Application Warm-up 1.0 for IIS 7 and then click Uninstall.
  4. Follow the instructions to uninstall Application Warm-up 1.0 for IIS 7.



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Windows Server 2012 contains a release version of an Application Warm-up module for IIS, referred to as Application Initialization. The problem described in this article does not apply to the Application Initialization module Release Candidate (RC).




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More Information


Upgrading to Windows Server 2012 is blocked if the IIS Dynamic IP Restriction BETA module is installed
http://support.microsoft.com/kb/2705380




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Keywords: kb

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Article Info
Article ID : 2534552
Revision : 1
Created on : 1/7/2017
Published on : 7/16/2012
Exists online : False
Views : 650