https://blog.it-kb.ru/2010/02/17/%d1%83%d1%81%d1%82%d0%b0%d0%bd%d0%be%d0%b2%d0%ba%d0%b0-ccr-%d0%ba%d0%bb%d0%b0%d1%81%d1%82%d0%b5%d1%80%d0%b0-microsoft-exchange-server-2007-sp1-%d0%bd%d0%b0-%d0%b1%d0%b0%d0%b7%d0%b5-windows-server-2008/