The Bacula4 Windows auto-installer works on PsExec functionality.
Using
this functionality, Bacula4 will auto-install and configure your
Windows Servers and Virtual Machines with the Bacula4 Software from
within the various Bacula4 GUIs.
For
customers preferring to perform manual installs of the Bacula4 software
on your Windows Servers and VM's - please see the associated article
HERE