As following the standard batch file - copy in txt and rename to cmd:

REM $Id: silentclient.cmd,v 1.21 2010/08/24 21:42:25 $
REM
REM bcpyrght
REM *******************************************************************************
REM  $VRTScprght: Copyright 1993 - 2011 Symantec Corporation, All Rights Reserved $
REM *******************************************************************************
REM ecpyrght
REM

@ECHO OFF

REM Change the following line to reflect the name of this client. This option has no effect
REM when reinstalling NetBackup.

REM -------------------------------------------------------------------------------------------
SET CLIENT=%COMPUTERNAME%
REM -------------------------------------------------------------------------------------------

REM Change the following line to reflect the name of the master server. This option has no
REM effect when reinstalling NetBackup.

REM -------------------------------------------------------------------------------------------
SET MASTERSERVER=master
REM -------------------------------------------------------------------------------------------

REM Change the following line to reflect the names of any other servers allowed to access this
REM client. This option has no effect when reinstalling NetBackup.  Remove this line if you
REM have no other servers that will be allowed to access this machine.

REM -------------------------------------------------------------------------------------------
SET ADDITIONALSERVERS=media1,media2,media3
REM -------------------------------------------------------------------------------------------

REM Specify the installation directory.

REM -------------------------------------------------------------------------------------------
SET INSTALLDIR=C:\Program Files\VERITAS\
REM -------------------------------------------------------------------------------------------

REM Use 1 to Install the Debug Symbols, 0 to not install them.

REM -------------------------------------------------------------------------------------------
SET INSTALLDEBUG=0
REM -------------------------------------------------------------------------------------------

REM Use 1 to Start the NetBackup services following install, 0 to not start them.

REM -------------------------------------------------------------------------------------------
SET SERVICESTART=1
REM -------------------------------------------------------------------------------------------

REM Use Automatic to set the services to automatically start, Manual to manually start them.
REM This option has no effect when reinstalling NetBackup.

REM -------------------------------------------------------------------------------------------
SET SERVICESTARTTYPE=Automatic
REM -------------------------------------------------------------------------------------------

REM Set to 1 to start the Job Tracker at every login, 0 otherwise. This option has no effect
REM when reinstalling NetBackup.

REM -------------------------------------------------------------------------------------------
SET STARTTRACKER=0
REM -------------------------------------------------------------------------------------------

REM NetBackup Port Numbers. These options have no effect when reinstalling NetBackup.

REM -------------------------------------------------------------------------------------------
SET VNETD_PORT=13724
REM -------------------------------------------------------------------------------------------

REM Stop NetBackup Processes automatically if detected.
REM WARNING please make sure no NetBackup jobs are active and all databases are shutdown prior
REM to install.

REM -------------------------------------------------------------------------------------------
SET STOP_NBU_PROCESSES=0
REM -------------------------------------------------------------------------------------------

REM Abort install if reboot is required.

REM -------------------------------------------------------------------------------------------
SET ABORT_REBOOT_INSTALL=0
REM -------------------------------------------------------------------------------------------

REM -------------------------------------------------------------------------------------------
REM Do not change anything after this line
REM Install logs will be saved to %ALLUSERSPROFILE%\Symantec\NetBackup\InstallLogs
REM -------------------------------------------------------------------------------------------

SET RESPFILENAME=%TEMP%\%COMPUTERNAME%_silentclient.resp

IF EXIST %RESPFILENAME% del %RESPFILENAME%

@ECHO INSTALLDIR:%INSTALLDIR%>> %RESPFILENAME%
@ECHO MASTERSERVERNAME:%MASTERSERVER%>> %RESPFILENAME%
@ECHO ADDITIONALSERVERS:%ADDITIONALSERVERS%>> %RESPFILENAME%
@ECHO NETBACKUPCLIENTINSTALL:1>> %RESPFILENAME%
@ECHO SERVERS:%MASTERSERVER%,%ADDITIONALSERVERS%>> %RESPFILENAME%
@ECHO CLIENTNAME:%CLIENT%>> %RESPFILENAME%
@ECHO NBSTARTTRACKER:%STARTTRACKER%>> %RESPFILENAME%
@ECHO STARTUP:%SERVICESTARTTYPE%>> %RESPFILENAME%
@ECHO NBSTARTSERVICES:%SERVICESTART%>> %RESPFILENAME%
@ECHO VNETD_PORT:%VNETD_PORT%>> %RESPFILENAME%
@ECHO CLIENTSLAVENAME:%CLIENT%>> %RESPFILENAME%
@ECHO SILENTINSTALL:1>> %RESPFILENAME%
@ECHO ISPUSHINSTALL:1>> %RESPFILENAME%
@ECHO ISCUSTOMINSTALL:1>> %RESPFILENAME%
@ECHO REBOOT:ReallySuppress>> %RESPFILENAME%
@ECHO NUMERICINSTALLTYPE:1>> %RESPFILENAME%
@ECHO INSTALLDEBUG:%INSTALLDEBUG%>> %RESPFILENAME%
@ECHO STOP_NBU_PROCESSES:%STOP_NBU_PROCESSES%>> %RESPFILENAME%
@ECHO ABORT_REBOOT_INSTALL:%ABORT_REBOOT_INSTALL%>> %RESPFILENAME%
@ECHO PBXCONFIGURECS:FALSE>> %RESPFILENAME%

setup.exe -s /REALLYLOCAL /RESPFILE:'%RESPFILENAME%'
SET MSIEXEC_STATUS=%ERRORLEVEL%

IF EXIST %RESPFILENAME% del %RESPFILENAME%

exit /B %MSIEXEC_STATUS%

As following the standard script - copy to txt and rename to cmd:

REM $Id: silentclient.cmd,v 1.21 2010/08/24 21:42:25 $
REM
REM bcpyrght
REM *******************************************************************************
REM  $VRTScprght: Copyright 1993 - 2011 Symantec Corporation, All Rights Reserved $
REM *******************************************************************************
REM ecpyrght
REM

@ECHO OFF

REM Change the following line to reflect the name of this client. This option has no effect
REM when reinstalling NetBackup.

REM -------------------------------------------------------------------------------------------
SET CLIENT=%COMPUTERNAME%
REM -------------------------------------------------------------------------------------------

REM Change the following line to reflect the name of the master server. This option has no
REM effect when reinstalling NetBackup.

REM -------------------------------------------------------------------------------------------
SET MASTERSERVER=master
REM -------------------------------------------------------------------------------------------

REM Change the following line to reflect the names of any other servers allowed to access this
REM client. This option has no effect when reinstalling NetBackup.  Remove this line if you
REM have no other servers that will be allowed to access this machine.

REM -------------------------------------------------------------------------------------------
SET ADDITIONALSERVERS=media1,media2,media3
REM -------------------------------------------------------------------------------------------

REM Specify the installation directory.

REM -------------------------------------------------------------------------------------------
SET INSTALLDIR=C:\Program Files\VERITAS\
REM -------------------------------------------------------------------------------------------

REM Use 1 to Install the Debug Symbols, 0 to not install them.

REM -------------------------------------------------------------------------------------------
SET INSTALLDEBUG=0
REM -------------------------------------------------------------------------------------------

REM Use 1 to Start the NetBackup services following install, 0 to not start them.

REM -------------------------------------------------------------------------------------------
SET SERVICESTART=1
REM -------------------------------------------------------------------------------------------

REM Use Automatic to set the services to automatically start, Manual to manually start them.
REM This option has no effect when reinstalling NetBackup.

REM -------------------------------------------------------------------------------------------
SET SERVICESTARTTYPE=Automatic
REM -------------------------------------------------------------------------------------------

REM Set to 1 to start the Job Tracker at every login, 0 otherwise. This option has no effect
REM when reinstalling NetBackup.

REM -------------------------------------------------------------------------------------------
SET STARTTRACKER=0
REM -------------------------------------------------------------------------------------------

REM NetBackup Port Numbers. These options have no effect when reinstalling NetBackup.

REM -------------------------------------------------------------------------------------------
SET VNETD_PORT=13724
REM -------------------------------------------------------------------------------------------

REM Stop NetBackup Processes automatically if detected.
REM WARNING please make sure no NetBackup jobs are active and all databases are shutdown prior
REM to install.

REM -------------------------------------------------------------------------------------------
SET STOP_NBU_PROCESSES=0
REM -------------------------------------------------------------------------------------------

REM Abort install if reboot is required.

REM -------------------------------------------------------------------------------------------
SET ABORT_REBOOT_INSTALL=0
REM -------------------------------------------------------------------------------------------

REM -------------------------------------------------------------------------------------------
REM Do not change anything after this line
REM Install logs will be saved to %ALLUSERSPROFILE%\Symantec\NetBackup\InstallLogs
REM -------------------------------------------------------------------------------------------

SET RESPFILENAME=%TEMP%\%COMPUTERNAME%_silentclient.resp

IF EXIST %RESPFILENAME% del %RESPFILENAME%

@ECHO INSTALLDIR:%INSTALLDIR%>> %RESPFILENAME%
@ECHO MASTERSERVERNAME:%MASTERSERVER%>> %RESPFILENAME%
@ECHO ADDITIONALSERVERS:%ADDITIONALSERVERS%>> %RESPFILENAME%
@ECHO NETBACKUPCLIENTINSTALL:1>> %RESPFILENAME%
@ECHO SERVERS:%MASTERSERVER%,%ADDITIONALSERVERS%>> %RESPFILENAME%
@ECHO CLIENTNAME:%CLIENT%>> %RESPFILENAME%
@ECHO NBSTARTTRACKER:%STARTTRACKER%>> %RESPFILENAME%
@ECHO STARTUP:%SERVICESTARTTYPE%>> %RESPFILENAME%
@ECHO NBSTARTSERVICES:%SERVICESTART%>> %RESPFILENAME%
@ECHO VNETD_PORT:%VNETD_PORT%>> %RESPFILENAME%
@ECHO CLIENTSLAVENAME:%CLIENT%>> %RESPFILENAME%
@ECHO SILENTINSTALL:1>> %RESPFILENAME%
@ECHO ISPUSHINSTALL:1>> %RESPFILENAME%
@ECHO ISCUSTOMINSTALL:1>> %RESPFILENAME%
@ECHO REBOOT:ReallySuppress>> %RESPFILENAME%
@ECHO NUMERICINSTALLTYPE:1>> %RESPFILENAME%
@ECHO INSTALLDEBUG:%INSTALLDEBUG%>> %RESPFILENAME%
@ECHO STOP_NBU_PROCESSES:%STOP_NBU_PROCESSES%>> %RESPFILENAME%
@ECHO ABORT_REBOOT_INSTALL:%ABORT_REBOOT_INSTALL%>> %RESPFILENAME%
@ECHO PBXCONFIGURECS:FALSE>> %RESPFILENAME%

setup.exe -s /REALLYLOCAL /RESPFILE:'%RESPFILENAME%'
SET MSIEXEC_STATUS=%ERRORLEVEL%

IF EXIST %RESPFILENAME% del %RESPFILENAME%

exit /B %MSIEXEC_STATUS%