Switch : / Postrollback Parameters : Local file path or UNC network path to a file named setuprollback.cmd Action : Injects ...

Switch : / Postrollback  
                                                         
Parameters : Local file path or UNC network path to a file named setuprollback.cmd 
                                                         
Action : Injects setuprollback.cmd file from the specified location.Setuprolback.cmd is a customized script to perform tasks after the installation fails and the PC has rolled back to its previous OS.It is run with the same privileges as the user or process that launched setup. 
                                                         
Example : setup.exe / auto upgrade / postrollback \MyShare\script\setuprollback.cmd