https://blog.it-kb.ru/2010/10/10/scvmm-2008-r2-%d0%b8%d0%bd%d1%82%d0%b5%d0%b3%d1%80%d0%b0%d1%86%d0%b8%d1%8f-%d1%81-scom-2007-r2-2/