There isn't really a way to change the filegroup because there's no way to
move the messages. The best way to do this would be to stop sending
messages to the queue, wait until it is empty, drop it and recreate it on
the new filegroup.

Signature
This posting is provided "AS IS" with no warranties, and confers no rights.
Use of included script samples are subject to the terms specified at
http://www.microsoft.com/info/cpyright.htm
> Hi,
>
[quoted text clipped - 3 lines]
> Thanks,
> Shai.