After adding a new file server on our domain network, The server Joined without any issues. i logged in with my administrator username and password. logged in fine. updated server and restart, no issues. after an hour or so, the server doesnt recognize administrators or users, when logging in, its says wrong username and password. If i reboot the server, im able to log in without any issues.
But after an hour or so or random hours, we are not able to use our credentials. if we reboot we are able to log in. locally is no issues, issue is only when joining to our domain. please any thoughts?
PS. we are able to access shared data at anytime, we are just not able to log into the server. any other servers have no issue logging in.