Hi Paul,
You have asked this question in the Training and Certification forum, your question is not related to trainining or certificationm.
The Technet Windows Server forums might be a better place to get a quick answer for your question.
Danny van Dam, 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