wbinfo -u command did not display any Active Directory users although the server is part of the its domain. Checking the trust secret for this domain with wbinfo -t provides a successful output.
The Samba log file for this domain reports the following error :
To make it work again, on Centos 6.7, make sure that the server’s time is up to date.
Restart the ntpd daemon :
[root@localhost:~]# service ntpd status
Restart the winbind daemon :
[root@localhost:~]# service winbind status
As a test, retrieve details from a given user using the id command :
[fool@localhost:~]$ id username
If successful, all the groups the user belongs to will be listed.