The virtual machine converter from VMware will go from Microsoft virtual machine to VMware, but not the other way around.
There are some tricks to convert the virtual hard drive over to Microsoft Virtual Server, but here is the catch.
Microsoft and VMware virtualize different hardware configurations, so depending on the operating system inside of the image you may have difficulty getting the machine to boot properly.
If you are trying to convert the images from the application vault one way to do it is use a tool to mount the images as a drive on your machine, then use that drive to create the virtual server machine image.
Here is the best tool I have found so far:http://petruska.stardock.net/Software/VM…
Here is an article with more indepth information:http://searchsecurity.techtarget.com/tip…