After upgrading to MacOS 15.0 Sequoia, or running the SEP Installer wizard for the first time on macOS 15, the installer will not open the `Login Item & Extensions' Page so that permissions can be granted to SEP.
SEP Mac client
macOS 15 (Sequoia)
This is a change introduced on Monday September 16th 2024 by macOS 15 only.
You need to follow these steps:
1. Go to System Settings > General > Login Items & Extensions > Endpoint Security Extensions.
2. Click on the toggle button and input the admin password to allow the System Extension for 'Symantec Endpoint Protection'.