We have a DR site with a company that offer DR services. We've se up a link wiht our Data provider to the DR site and created a new DHCP SuperScope for the DR site in our Production AD.
The DR company have an image of our Workstations which they restored to one of their PCs and this connected fine. i.e. it picked up a DHCP adress for the DR site and all worked as expected. The production laptop we bought along, which 30m mins before was on our production network would not pick up a new address. We tired ipconfig /release /renew but it would only pick up address from our Production domain and not the DR DHCP superscope. We also deleted DNS entries for the laptop waited and was still the same.
Any ideas why this would be and how to rectify?