In order to migrate the settings from one ZCM to another VM, follow these steps:
Stop the ZCM service on ZCM A.
Copy ZCM.sdf from C:\Program Files (x86)\Zerto\Zerto Cloud Manager\ on ZCM A.
Install ZCM on ZCM B.
Stop ZCM service on ZCM B.
Replace ZCM.sdf in C:\Program Files (x86)\Zerto\Zerto Cloud Manager\ on ZCM B with ZCM.sdf from ZCM A
Start ZCM service on ZCM B.
Note that this procedure is not supported as a means of backup and recovery for an individual ZCM instance.