Remove password from SEP when unknown or forgotten

Warning: This will leave your system unprotected and you could damage your system if you don’t know what you’re doing.

Note: If you system is managed by an IT department and you’re not in IT please seek their help with the problem you are facing. Dont put your company’s system at risk because you don’t like they way its setup. ONLY DO THESE STEPS IF YOU HAVE AUTHORIZATION TO DO SO.

Problem: What to do to upgrade/repair/fix setting on an install of Symantec Endpoint protection when the password is unknown/lost/forgotten.

Option 1: try default passwords

  • symantec
  • password
  • admin
  • norton
  • 12345
  • company name or stock symbol

Option 2: you could try sylinkdrop or SylinkReplacer to change the client from managed to unmanaged by replacing the sylink.xml to default, but you will most likely need the password as this step requires you to stop the service and will most likely be locked.

Option 3: Force the removal of the password.

    1. take backup of registry
    2. stop the SEP service, from services or command “start smc -stop”
    3. boot in to safemode (if step one fails)
    4. open regedit
    5. HKEY_LOCAL_MACHINE\SOFTWARE\Symantec\Symantec Endpoint Protection\SMC
    6. delete key “SmcInstData” (this is where the password is keep, you cant delete if service is running)
    7. HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\SepMasterService (only if step 1 failed, this will disable your SEP service)
    8. Change Key “Start” to “3”
    9. reboot to normal windows
    10. uninstall/upgrade/repair your SEP or what ever else you needed to do. The password should be gone.
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4 Responses to Remove password from SEP when unknown or forgotten

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