What the product you need to be reset?
For SEPM reset
If it is SEPM 12.x then you can go with the below thread Harry H comment
https://www-secure.symantec.com/connect/forums/forgot-administrator-password-sepm#comment-10316771
If the SEPM is 11.x then
To reset the administrator password
Go to on.
- Locate the Drive:\Program Files\Symantec\Symantec Endpoint Protection Manager\Tools folder.
- Double-click resetpass.bat.
The user name and password are reset to admin.
- Log on to Symantec Endpoint Protection Manager using admin for both the user name and the password, and change the password.