It's a tricky one! First of all I suggest to start using HTTP/HTTPS
instead of SMB ;) You will avoid then a lot of pain in the future. In
regards to your problem.. You can find out by yourself what's wrong with
that by executing a simple policy trigg...
@hansjoerg.watzl to search if the latest update of MRTConfigData has
been installed to Mac computers you can use Advanced Computer Searches
with simple criteria Packages Installed By Installer.app/SWU and the
value com.apple.pkg.MRTConfigData_10_14.1...