@Selene Please take a backup of database and then you can follow below steps:    Find the Cloudera Manager server's database details from file /etc/cloudera-scm-server/db.properties. Log in to CM database server. Check if there is more than one user admin in the system. Take a back up of password_hash and password_salt of the Admin user and paste them into a text editor: SELECT password_hash, password_salt FROM users WHERE user_id = 1; Update password_hash and password_salt for user "admin" using the following command: update USERS set password_hash='2518db3278f704558ece63f469af87a7c12dbad8ff0971d3b677e291d61b44fc', password_salt=-5792243850706636683 WHERE user_id = 1;  Log in to the CM interface using admin user and admin password.   ... View more