Result Code -12 error in CICS setup

[vishnuvardhanr]

Hi all,
I tried installing CICS 4.2 for WinNT using silent installation. The installation log ended with ResultCode=-12.
Following is the cics.iss file that i used.
Can somebody help me out please ?

[InstallShield Silent]
Version=v3.00.000
File=Response File
[Application]
Name=License Use Runtime
Version=1.0
Company=IBM
[DlgOrder]
Dlg0=SdWelcome-0
Count=10
Dlg1=SdAskOptions-0
Dlg2=SdAskOptions-1
Dlg3=SdAskOptions-2
Dlg4=SdComponentDialog-0
Dlg5=SdAskDestPath-0
Dlg6=SdStartCopy-0
Dlg7=AskYesNo-0
Dlg8=AskYesNo-1
Dlg9=SdFinishReboot-0
[SdWelcome-0]
Result=1
[SdAskOptions-0]
Component-type=string
Component-count=1
Component-0=English (United States)
Result=1
[SdAskOptions-1]
Component-type=string
Component-count=1
Component-0=CICS Server
Result=1
[SdAskOptions-2]
Component-type=string
Component-count=1
Component-0=CICS Server Development System
Result=1
[SdComponentDialog-0]
szDir=C:\OPT\CICS
Component-type=string
Component-count=2
Component-0=Server Development
Component-1=Structured File Server
Result=1
[SdAskDestPath-0]
szDir=C:\VAR
Result=1
[SdStartCopy-0]
Result=1
[AskYesNo-0]
Result=0
[AskYesNo-1]
Result=0
[SdFinishReboot-0]
Result=1
BootOption=3

Thanks in advance,
vishnu