[RHEL] User administrator of the domain recognized by the station as root.

Issue

• The user "myadmin" (domain administrator) is recognized by Windows workstations as "root".

[root@example]# net groupmap list
Domain Users (S-1-5-21-845782300-4054956335-1937036642-514) -> group_user 
Domain Admins (S-1-5-21-845782300-4054956335-1937036642-512) -> group_admins 
Domain Users (S-1-5-21-845782300-4054956335-1937036642-513) -> group_users_principal

[root@example]# id myadmin 
uid=605(myadmin) gid=201(group_users_principal) groups=201(group_users_principal),200(group_user),2000(group_admins)

[root@example]# id root
uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel),2000(group_admins)