Changes

Name: SOFTWARE, Value: \\myserver\wpkg$\software

Be careful not to add an ending backslash (\\myserver\wpkg$\software\). In the packages.xml, a backslash is added (%SOFTWARE%\my\directory\program). It works with exe files, but it cause a 1619 msi error ("Exit code returned non-successful value (1619) on command 'msiexec ...") with all .msi files.