Log in to a domain-connected computer and open the Active Directory Users and Computers console. Find the user account whose password you want to reset. In the right pane, right-click on the user account and select Reset Password. Type the new password and enter it again to confirm.
What is AD password?
How are passwords stored in Active Directory? Passwords stored in AD are hashed. Meaning that once the user creates a password, an algorithm transforms that password into an encrypted output known as a “hash”. Hashes are of fixed size so passwords of different lengths will have the same number of characters.
How to reset Active Directory?
Active Directory Users and Computers (DSA)
In the Active Directory Users and Computers MMC (DSA), you can right-click the computer object in the Computers or appropriate container and then click Reset Account. This resets the machine account.