Exam 5V0-11.21 topic 1 question 51 discussion

Standard security practice for a company requires that all administrator-level user accounts have their passwords changed every 60 days. The [email protected] account password is changed by an administrator through the VMware vSphere Cliento adhere to the security policy. When the administrator attempts to log into the VMware Cloud on AWS vCenter Server through the VMware vSphere Client a few days later as [email protected] using the account credentials copied from the VMware Cloud console, the administrator's access is denied. What is the likely cause of this issue?