Hi Evgenie,
You have asked your question in the Training and Certification forum, your question is not related to training or certification. The best place to ask this question would be the Windows Server forums:
http://social.technet.microsoft.com/Forums/en-US/winservergen/threads
When you see answers and helpful posts, please click Vote As Helpful, Propose As Answer, and/or Mark As Answer
MCSE:Server Infrastructure, MCSE:Desktop Infrastructure, MCSA Server 2012, Citrix CCIA & CCEE, Cisco CCNA, VMware VCP 3/4/5 Blog: http://www.citrix-guru.com and http://www.rds-support.eu Twitter: @dnyvandam