In this article you will find frequently asked configuration questions for Community Server. If you don't see your question below then please search our documentation and/or post your question on the forums.
I installed the 2008.5 SP1 over my 2008 SP1 and Windows Auth (AD) broke. I went into the web.config page to change
<authentication mode = "Forms"> to <authentication mode = "Windows"> and the site broke…what gives?