SQL server 2012 Silent Install Issue

I am trying to install SQL Server 2012 Express from command line. Here is a test example: setup.exe /QS /ACTION=install /INSTANCENAME="UnattendedCmd123"            /IACCEPTSQLSERVERLICENSETERMS /FEATURES=SQLENGINE,SSMS            /SQLSYSADMINACCOUNTS="BUILTINADMINISTRATORS" This should work but it doesn't install (no error) I checked the summary in the logs and it shows: User Input Settings:   ACTION:                        RunRules   CONFIGURATIONFILE:                ENU:                           true   FEATURES:                      SQLENGINE, SSMS   HELP:           ...