When you try to send messages to the HTTP address or to the multicast address of a Microsoft Message Queuing queue on a computer that is running a 64-bit version of Windows Vista, the attempt is unsuccessful. Additionally, you receive the following error message:

404 not found

In Windows Vista Home Basic or in Windows Vista Starter, when you try to visit an HTML page that is hosted on Microsoft Internet Information Services (IIS) 7.0, you may receive the following error message:

HTTP Error 404.4 - Not Found