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Uninstall / Reinstall Microsoft .Net 3.5 on Server 2008 R2

We are deploying a new server (Terminal Server - Windows Server 2008 R2) and one particular program will not run (it freezes up and goes not responding every time we try to start it up).  The vendor is pretty sure that the cause of this problem is a corrupt Microsoft .Net 3.5 installation.  He said in Windows Server 2008 R2 it is not as easy as it used to be to uninstall and the reinstall the .Net framework.

Does anyone know if this is possible and if so, does Microsoft have a  knowledgebase article or some other kind of instructions for uninstalling and reinstalling the framework?

He's tried disabling and then re-enabling the .Net framework from the add/remove features option  but that does not actually do a new, clean installation.

Thanks.
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brandonpf
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brandonpf
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Paul MacDonaldDirector, Information SystemsCommented:
The Framework may show up as a Feature in the Server Manager.  If so, you should be able to uninstall/reinstall it that way.
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brandonpfAuthor Commented:
Correct, it did show up as a feature in the server manager but according to the tech from the vendor, disabling/enabling does not actually do a clean install.  He's looking for a clean/fresh install to try and repair the corrupted installation.

Thanks for the reply.
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Paul MacDonaldDirector, Information SystemsCommented:
Well, 3.5 is what comes with Server 2008.  Short of removing/adding it, I'm not sure what else you could do.  Certainly you could try uninstalling it, going to the Microsoft web site and downloading the installation from there to see if that helps.

Do you have any other applications on this machine that leverage .Net 3.5?  That would tell you if it was a problem with the Framework or not.
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