Note : Resetting the password will also unlock the administrator account . 1. Login as an administrator to the vCenter SSO server. 2. Click Start > Run , type cmd, and click OK . The Command Prompt window opens. 3. Navigate to the directory SSOInstallDirectory \utils. By default, the installation directory is C:\Program Files\VMware\Infrastructure\SSOServer \ utils . 4. Run this command: rsautil reset-admin-password 5. Enter the master password when prompted. Note : This is the password s elected for the SSO administrator during the SSO installation. If you have changed your SSO administrator password later, the master password is still the original one chosen. 6. Enter the SSO administrator name for which you want to reset the password. For example, admin . 7. Enter the new password for the user and then confirm it a second time. You should see the message Password reset successfully .