The page cannot be displayed
The request was not completed due to preconditions that are set in the request header. Preconditions prevent the requested method from being applied to a resource other than the one intended. An example of a precondition is testing for expired content in the page cache of the client.
Please try the following:
- Navigate to the home page for this Web site and look for links to the information that you want.
- Use your Web browser's tools to delete cached pages and then click the Refresh button to try again.
HTTP Error 412 - Precondition failed.
Internet Information Services (IIS)
Technical Information (for support personnel)
- Go to Microsoft Product Support Services and perform a title search for the words HTTP and 412.
- Open IIS Help, which is accessible in IIS Manager (inetmgr),
and search for topics titled Using Content Expiration, and About Custom Error Messages.