Symantec Endpoint Protection (SEP) client 14.3 RU5 installation fails. Following error is logged in installation log files listed in Required logs for troubleshooting failed Endpoint Protection 14.x client installations.
SEP_INST.log:
MSI (s) (B0:18) [20:19:07:706]: Invoking remote custom action. DLL: C:\Windows\Installer\MSI2D60.tmp, Entrypoint: ShowServiceProgress
ScriptGen: ShowServiceProgress() MSIRUNMODE_SCHEDULED
ScriptGen: ShowServiceProgress() SISDEBUGATTACH=
ScriptGen: ShowServiceProgress() calling WaitForSingleObject(scriptStarted) ...
ScriptGen: ShowServiceProgress() WaitForSingleObject(scriptStarted) returned WAIT_OBJECT_0
ScriptGen: ShowServiceProgress() script execution failed.
ScriptGen: ShowServiceProgress() reset script failure event.
ScriptGen: ShowServiceProgress() is returning an error (so close to the end!)
CustomAction ShowServiceProgress returned actual error code 1603 (note this may not be 100% accurate if translation happened inside sandbox)
MSI (s) : Note: 1: 2265 2: 3: -2147287035
MSI (s) : User policy value 'DisableRollback' is 0
MSI (s) : Machine policy value 'DisableRollback' is 0
Action ended 20:20:12 : InstallFinalize. Return Value 3.
SIS_INST.LOG:
2022-09-05T06:49:50.167Z ERROR I SIS File C:\Program Files\Symantec\Symantec Endpoint Protection\14.3.8268.5000.105\bin64\EFAInst64.exe is not trusted. Verification result: 20
2022-09-05T06:49:50.167Z ERROR I SIS
2022-09-05T06:49:50.167Z ERROR I SIS Dumping action parameters from the script:
2022-09-05T06:49:50.167Z ERROR I SIS EnableCCTrace=[true]
2022-09-05T06:49:50.167Z ERROR I SIS FilePath=["C:\Program Files\Symantec\Symantec Endpoint Protection\14.3.8268.5000.105\bin64\EFAInst64.exe"]
2022-09-05T06:49:50.167Z ERROR I SIS OnDefaultError=[FAIL]
2022-09-05T06:49:50.167Z ERROR I SIS OnError0=[PASS]
2022-09-05T06:49:50.167Z ERROR I SIS OnError1=[PASS]
2022-09-05T06:49:50.167Z ERROR I SIS OnError3010=[PASS]
2022-09-05T06:49:50.167Z ERROR I SIS OnError3017=[FAIL_REBOOT_AND_ROLLBACK]
2022-09-05T06:49:50.167Z ERROR I SIS OnError606=[CATASTROPHIC_FAIL]
2022-09-05T06:49:50.167Z ERROR I SIS Parameters=["Symantec Endpoint Protection 14.3.8268.5000" /install /forcesingleinstance /resultcodeformat sis]
2022-09-05T06:49:50.167Z INFO I SIS ExecuteScript() - Successfully set failure event.
2022-09-05T06:49:50.167Z INFO I SIS ExecuteScript() returning ACTION_FAILED_WITH_ROLLBACK
The issue is not resolved even after import "DigiCert Trusted Root G4 certificate" by following step.
Root Certificates are missing.
Broadcom has investigated this issue and provided the following solution: