The file d:\virtual machines\disk.vhd does not have the required security settings

In virtual server 2005, you could copy VHDs among different folders and virtual servers no problem. With Hyper-V if you tried this, you will get an error similar to: The file d:\virtual machines\disk.vhd does not have the required security settings. What you need to do is deattach the VHD file from the virtual server settings, [...]