There is not a hack BUT.
You can have another machine running VMware Server (free version). Now install VMware Converter standalone version and then P2V your server and target source would be VMware Server which would create the “p2v”ed SBS server in VMware Server supported format. Select a location where you can backup to tape (bonus). Now copy these files to the machine hosting VMware Server and import it. Now you have a “standby” server.