SharePoint 2007 documents opening as read-only
Consider the following Scenario: On Windows Vista, Windows 7 or Windows 2008 systems with Office 2007 or Office 2010 installed and Internet Explorer 7 or Internet Explorer 8, you attempt to open files from a SharePoint site using a Fully Qualified Domain Name (a URL including ‘.’ in the site name). The SharePoint 2007 is hosted on Windows 2008 or 2008 R2 Server with WebDav enabled. The SharePoint 2007 site is setup to use Windows Authentication. Users of the SharePoint site are expecting Client Integration (being able to edit and save directly back to the server) to be functional. In this scenario, a user may see one or more of the following symptoms: The user is prompted unexpectedly to enter their credentials. The Office document will open in Read Only. When opening SharePoint Explorer View an error will occur showing the path to the Document Library and a message of "Not Implemented". When trying to save from Office back to a SharePoint site directly doing a Sa