So, clone a disk...simple? Am I missing something?

Running trial of symantec system recovery 2013 desktop. Requirements - clone a hard drive to another (building multiple systems, same hardware)

Installed on host, ran 'copy disk' selected MBR/startup etc etc, completed, disconnected old drive, changed boot in bios, 'bootmgr failed' ctr alt del.

So i booted with the symantec boot disk, ran up a command prompt, ran diskpart, checked and partitions are there, as is drive assignment, ensured active partition was the OS, still same.

Am I missing something?

any help appreciated.

R

Dec