Hi,
The only solution i can see right now is to distribute your template security file to the desktop in a install or copy file operation and then run the secedit command line using your template in another operation in the same bundle.
More reference of the secedit command
SolutionBase: Using the Secedit tool to work with security templates
The name of the database can be anything and is only a way to create a temporary database to merge to the security of the workstation.
Martin Dallaire