Hi Adrian,
Thank you for posting your query in Microsoft Community Forums.
The issue that you are facing is more complex than what is typically answered in the Microsoft Answers forums. It is better suited for the IT Pro audience on TechNet.
Please post your question in the TechNet Forum.
You can follow this link to post your question:
http://social.technet.microsoft.com/Forums/en-US/category/w8itpro
For any further Windows related assistance, feel free to contact us and we will be glad to help.