You do not have the necessary permissions to view the page You do not have the necessary permissions to view this directory or page using the provided credentials. Proceed as follows: Contact your website administrator if you believe you should be authorized to view this directory or page. Click Refresh and try again specifying different credentials. HTTP Error 401.1 - Unauthorized Operation: Access is denied due to invalid credentials. Internet Information Services (IIS) Technical information (for technical support personnel) Visit the Microsoft Product Support Services site and search for the words HTTP and 401 in the titles. In IIS Help , accessible from IIS Manager (inetmgr), search for the topics Authentication , Access Control , and About Custom Error Messages .