mark arnold [mvp]

Not really. Take a backup of the System State from a DC and conduct an
authoratative restore of it on a discreet network.

Install a basic copy of windows, into a workgroup, in the same
directory of the current exchange server.

Take a System State backup of the Exchange server and restore it to this server.


Use the Disaster Recovery guide from http://www.microsoft.com/exchange to
fully flesh out the points above.