Scripting

I am trying to finish a script that will run through GPO that will detect if the KACE agent is installed and which version is installed. I have run into a snag and my script seems to be failing. Any help would be greatly appreciated. 

REM Setting default variables

SETLOCAL enabledelayedexpansion

SET SW32=%systemdrive%\Temp\KACE

SET LOG=%SW32%\ampagent_%computername%.log

SET COUNT=0

SET MSI=ampagent-5.5.25198-x86.msi

SET FINDER=C:\Windows\System32\find.exe

:VAR

REM Setting agent variables

SET KACE_XML_55=%ALLUSERSPROFILE%\Dell\KACE\inventory.xml

IF EXIST %KACE_XML_55% ((ECHO %DATE% %TIME% - Agent already installed, checking version...>>%LOG% & CALL :CHKINST)

ELSE ECHO %DATE% %TIME% - Agent not installed. Calling Installer...>>%LOG% & CALL :INSTALL

)

:CHKINST

REM Checks if and which agent(s) is installed

FOR /f "tokens=3 delims=><  " %%a IN ('TYPE C:\ProgramData\Dell\KACE\inventory.xml ^| FIND "<CLIENT_VERSION>"') DO SET AgentVersion=%%a

IF %AgentVersion% EQU 5.5.25198 (SET AgentOK=1 & ECHO %DATE% %TIME% - KACE Agent Version 5.5 found.>>%LOG%)

IF %AgentOK% EQU 0 (ECHO %DATE% %TIME% - KACE Agent needs to be updated. Calling Installer...>>%LOG% & CALL :INSTALL)

GOTO :EOF

:INSTALL

ECHO %DATE% %TIME% - Installing v5.5...>>%LOG%

IF NOT EXIST %SW32% (ECHO %DATE% %TIME% - Creating "%SW32%"...>>%LOG% & MKDIR %SW32%)

IF NOT EXIST %SW32%\%MSI% (ECHO %DATE% %TIME% - Copying "%SW32%\%MSI%"...>>%LOG% & CALL :MOUNT & COPY W:\%MSI% %SW32%\%MSI%)

start /wait msiexec.exe /qn /i %SW32%\%MSI% HOST=kace1200

ECHO %DATE% %TIME% - v5.5 Agent install complete.>>%LOG%

SET INSTALL55=1

ECHO Pausing for 1 minute & ping -n 60 127.0.0.1 >null

NET USE W: /delete

GOTO :EOF

:MOUNT

REM Mounts NETLOGON

ECHO %DATE% %TIME% - Mounting W:\ drive...>>%LOG%

IF EXIST W: ( ECHO %DATE% %TIME% - W:\ drive in use. Exiting...>>%LOG% & GOTO :EOF )

NET USE W: \\corp.mycompany.com\netlogon\util\KACE

IF NOT EXIST W: ( ECHO %DATE% %TIME% - W:\ drive failed to mount. Exiting.>>%LOG% & GOTO :EOF 

)

GOTO :EOF