How to run Testcomplete in SilentMode

Hi All,

i want to run Testcomplete in silent mode.but it's not working.

Example:

REM Clears the screen
CLS
@ECHO OFF
REM Launches TestComplete,
REM executes the specified project
REM and closes TestComplete when the run is over
TestComplete.exe "\\ndc-met-nas-int\int_redirected_folders\dmadhavan1\Documents\TestComplete 12 Projects\PAM_UI_L2\PAM_UI_L2\PAM_UI_L2.mds" /run /exit /Silentmode
IF ERRORLEVEL 1001 GOTO NotEnoughDiskSpace
IF ERRORLEVEL 1000 GOTO AnotherInstance
IF ERRORLEVEL 127 GOTO DamagedInstall
IF ERRORLEVEL 4 GOTO Timeout
IF ERRORLEVEL 3 GOTO CannotRun
IF ERRORLEVEL 2 GOTO Errors
IF ERRORLEVEL 1 GOTO Warnings
IF ERRORLEVEL 0 GOTO Success
IF ERRORLEVEL -1 GOTO LicenseFailed

:NotEnoughDiskSpace
ECHO There is not enough free disk space to run TestComplete
GOTO End

:AnotherInstance
ECHO Another instance of TestComplete is already running
GOTO End

:DamagedInstall
ECHO TestComplete installation is damaged or some files are missing
GOTO End

:Timeout
ECHO Timeout elapses
GOTO End

:CannotRun
ECHO The script cannot be run
GOTO End

:Errors
ECHO There are errors
GOTO End

:Warnings
ECHO There are warnings
GOTO End

:Success
ECHO No errors
GOTO End

:LicenseFailed
ECHO License check failed
GOTO End

:End