Microsoft KB Archive Search

Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.

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

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.



↑ Back to the top

Cause

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


↑ Back to the top

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.



↑ Back to the top

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).




↑ Back to the top

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




↑ Back to the top

Keywords: kb

↑ Back to the top

Article Info
Article ID : 2534552
Revision : 1
Created on : 1/7/2017
Published on : 7/16/2012
Exists online : False
Views : 570