It's part of Windows, but an optional install and has been around a long time. In fact, here's an article Randy Brown wrote in 1999 on how to use MSMQ with VFP 6.0. http://msdn.microsoft.com/en-us/library/ms917361.aspx

>I did get some reading up on it done yesterday and it might be a good thing. Now I am trying to figure out if this has to be installed to work at the web server side or is it part of Net 3.5. I don't have much control on that end. Do you know?
>Tim