If you forget the admin password for Symantec Endpoint Protection, You can reset the account and password back to the defaults by reviewing the reset_pass.pdf file (steps below) located at \Symantec Endpoint Protection Manager\Tools (usually under c:\program files)

To use Resetpass.bat:

1. Open Windows Explorer on the computer where you run Symantec Endpoint Protection Manager.
2. Change directory to the <Drive>:\Program Files\Symantec\Symantec Endpoint Protection Manager\Tools folder.
3. Double-click the Resetpass.bat executable file. The password is reset to the default password.
4. Be sure to change the password immediately.

This will change the username and password to "admin"