Exchange 2010 SP2 & "IIS WMI Compatibility"

When upgrading your Exchange 2010 CAS to SP2 you may encounter the following error:

The "IIS WMI Compatibility" component is required.  Install the component via the Web Server Manager.


The IIS6 WMI Compatibility is a new prerequisites for upgrading to Exchange 2010 SP2

To upgrade from the command line without erros run: /m:upgrade /InstallWindowsComponents

To upgrade from the GUI without erros

Before you run the Exchange SP2 setup program on your CAS Servers do the following:


  • On the Start menu, navigate to All Programs > Accessories > Windows PowerShell. Open an elevated Windows PowerShell console, and run the following command:
    Import-Module ServerManager
  • Use the Add-WindowsFeature cmdlet to install the necessary operating system component:
    Add-WindowsFeature Web-WMI
Comments (2)
  1. Anonymous says:

    I normally advise my clients to go through the pre-req list before running an upgrade and i also provide them with this link, it really helps. Thank you.

  2. Anonymous says:

    If you go from SP1 to SP3 You also see this error…/0000771.htm


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