Connect to CVM using ssh with “nutanix” user. CVM has a pre installed python file (reset_admin_password.py) to reset Prism admin password.
Run this file ‘reset_admin_password.py’ which reset prism admin password to factory default – ‘Nutanix/4u’.
Login in prism UI with ‘admin’ user & ‘Nutanix/4u’ password and create a new password. UI will ask to login again with new password, you can verify password update task created in the UI.