To move a DualShield server to a new machine that runs on a different OS from the old machine, you need to install a fresh DualShield server on the new machine, then transfer the DualShield database and some other files from the old machine to the new machine. Below is the guide in steps.
On the new Linux box:
1. Install the latest DualShield server with EXACTLY the same FQDN as the one on the old machine - Please refer to Installation on Linux Console
2. Stop the DualShield service
sudo /etc/init.d/dualshield stop
On the old Windows machine: