Hello,
As per the SEP_Inst.log, we find the following error:
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) (20:9C) [12:08:11:338]: Note: 1: 2265 2: 3: -2147287035
MSI (s) (20:9C) [12:08:11:338]: User policy value 'DisableRollback' is 0
MSI (s) (20:9C) [12:08:11:338]: Machine policy value 'DisableRollback' is 0
Action ended 12:08:11: InstallFinalize. Return value 3.
MSI (s) (20:9C) [12:08:11:370]: Executing op:
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Property(S): ProductToBeRegistered = 1
=== Logging stopped: 5/13/2013 12:09:20 ===
MSI (s) (20:9C) [12:09:20:278]: Note: 1: 1708
MSI (s) (20:9C) [12:09:20:278]: Product: Symantec Endpoint Protection -- Installation operation failed.
MSI (s) (20:9C) [12:09:20:278]: Windows Installer installed the product. Product Name: Symantec Endpoint Protection. Product Version: 12.1.2015.2015. Product Language: 1033. Manufacturer: Symantec Corporation. Installation success or error status: 1603.
MSI (s) (20:9C) [12:09:20:309]: Deferring clean up of packages/files, if any exist
MSI (s) (20:9C) [12:09:20:309]: MainEngineThread is returning 1603
MSI (s) (20:D4) [12:09:20:309]: No System Restore sequence number for this installation.
Also,
Disable UAC and Windows Firewall and Try Creating a custom setting under the “Client Install Settings” options to not use “Add the program to the Start Menu”, leave this unchecked.
OR / AND
Deploy a client install package with "Remove all previous logs and policies, and reset the client-server communications settings".
http://www.symantec.com/docs/TECH165801
If the install is successful, manually create the shortcut on the desktop that points SymCorpUI.exe.
Hope that helps!!