9 May

Installing SharePoint on Windows Server 2008 R2

With Windows Server 2008 R2 available as a release candidate, you may have tried installing MOSS on it already without success and received an error similar to this: “The program is blocked due to compatibility issues”.


SharePoint SP2 enables compatibility with Server 2008 R2, so first you’ve got to make a slipstream install — then you can install without any problem.


The steps for making a slipstreamed installation of MOSS are pretty simple. 

  • Download a MOSS image, and extract it (or copy the contents) to a folder.
  • Download WSS and MOSS SP2 patches
  • Run each patch with /extract:<c:mymossimage>Updates
  • Delete Wsssetup.dll from the updates folder.

Keep in mind that if you have the combined x86/64 MOSS ISO, your updates folder will be in x64Updates or x86Updates.

For the juicy details, follow the technet article:



Once you have your slipstream image ready, you’ll need to enable a few roles on your Server 2008 R2 box.

See the screen capture below for the roles I added:



Now you should be able to run the MOSS installation without any problems!

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