2020.2

installation can be started and the exit code can be evaluated. See the sample batch file
below.
Exit codes
0 = Success
1 = General Error in preinstall (e.g. not supported settings for user.language / user.country, for
reason see preinstall_err.log)
2 = Unknown Error in preinstall
10 = General Error in Installer application (for reason see OL_Install_<timestamp>.log)
Sample batch file
@echo off
preinstall.exe
if errorlevel 10 goto err_installer
if errorlevel 2 goto err_unknown
if errorlevel 1 goto err_preinstall
echo Success
goto:eof
:err_installer
echo "Installer error - see OL_Install_<timestamp>.log"
goto:eof
:err_unknown
echo "Unknown preinstall error - see preinstall_err.log"
goto:eof
:err_preinstall
echo "Preinstall error - see preinstall_err.log"
goto:eof
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