>>>>Do you think it would work well running two instances of an EXE to test for record contentions and locking, etc? Is it truly that separate from your base PC?
>>>
>>>I'll try it and let you know in a few minutes
>>
>>Also, what about licensing? What I really want to do is create 2 additional virtual PCs and then run them as if they are users using the same EXE on a network. I want my real PC to remain as is and not be involved in the testing. Do I need different licensed OS for each?
>
>First, the program loaded in the host, then I switched over to Vista and it loaded there also. But, when I tried to open different screens in either one I got error messages concerning the environment. I don't have a problem with this because I use a three computer network to test for these issues.
>
>Second, I would say you need different licenses for each guest operating system you install. I get around that because I have an MSDN subscription that allows me to run, I believe, 5 installations.

I would really be running the same OS, just different instances of it. Probably still have the licensing issue, huh? Even though it's only one PC.