HTTP Error 999.0 - AW Special Error The custom error module does not recognize this error. Most likely causes: A module set an infrequently used status code. Things you can try: Investigate why the module set the status code. Detailed Error Information: Module IIS Web Core Notification Unknown Handler StaticFile Error Code 0x00000000 Requested URL http://www.areadeiservizi.it:80/ Physical Path D:\inetpub\webs\areadeiserviziit Logon Method Not yet determined Logon User Not yet determined Request Tracing Directory D:\LogFiles\FailedReqLogFiles More Information: Any module can call SetStatus with the status, substatus or HRESULT. The custom error module only displays status specific error messages for well known errors. View more information »