SharePoint 2010 Multiple Authentication prompts, then blank screen.

  Recently I was asked to help with an issue where SharePoint kept asking for authentication and after three prompts would show a blank screen. Note: This was error was for loading the default home page not for opening up any type of document. Typically this is caused by Kerberos and SPN's not being correctly…

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IIS 7.5 Request Filtering and SharePoint 2010

Recently I was asked about implementing IIS request filtering in SharePoint 2010. There are a couple of options when implementing this. Allow unlisted file name extensions Allow unlisted verbs Allow high bit characters Allow double escaping. We will focus on just two of these options "Allow double escaping" and "Allow unlisted file name extensions". By…

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