I have two questions:
1. ProgDVB support Windows Server 2008R2/2012R2 ?
2. I want to rent a OVH server to record channels.Must I need rent Independent VGA card serveror not? Because Independent VGA card Server is so expensive. How can I choice? Thanks!

Yes, I hope supported.

Of course you must have .net 2.0/3.5 for that.

https://www.google.ru/search?q=.net+2.0+win+2012