the most common issues with the domain users is the password expiration, Windows domain user account password expire every 1,3 or even once in 6 months based on the group policy being assigned and followed in the organization.
https://windowscage.com/net-us....er-command-to-check-

NET USER Command to check password expire details - WindowsCage
windowscage.com

NET USER Command to check password expire details - WindowsCage

One of the most common issues with the domain users is the password expiration here is the NET USER Command to check password expire details