If you have Kerberos Extras for Mac installed:
- From the Finder go to your Applications folder, then to your Utilities folder.
Result: Inside you should see a Kerberos application Keychain Access.
- Open Keychain Access.
- From the Keychain Access menu select Ticket Viewer
- Press Password or Change Password.
- Enter your old password once, then your new password twice. Select Continue.
Result: Your password has been changed.