Using a script from a different version of SEPM can corrupt your management database. Step-by-Step Guide to Resetting the Admin Password
The resetpass.bat file is included in the Symantec Endpoint Protection Manager 14 installation package. You can download the installation package from the Symantec website or access it from your existing SEPM 14 installation.
If you never configured an email server in SEPM, this link won't work. In that case, some admins use tools like SMTP4DEV to "catch" the reset email locally if the SEPM server tries to send it. 4. How to use it (if you have the file)
Change scm.log.loglevel=WARNING to scm.log.loglevel=FINEST and add scm.mail.troubleshoot=1 to the bottom.
For this method to function, SEPM must be correctly configured with working email/SMTP settings. If email settings were not properly configured during initial SEPM setup, this method will fail because the system cannot send the temporary password email to the administrator.
C:\Program Files\Symantec\Symantec Endpoint Protection Manager\Tools 2. Execute the Reset Script
Open your Symantec Endpoint Protection Manager web or desktop console. Type in the Username field. Type admin in the Password field. 2. Create a Strong New Password