The following issue was encountered on a developers machine when trying to create a SharePoint project using Visual Studio 2010. From the File menu the developer selected New->Project and then selected ‘Empty sharepoint project’ (SharePoint 2010) and then typed in the url into the dialog box that appeared and then hit the Validate button. Upon clicking the button, the following error message was shown: Cannot connect to the SharePoint site: http://serverX:6666/. Make sure that the Site URL is ......