Even though our domain has been renamed to company.com there still seems to be remnants of COMPANY_NT in different places. For instance, in remote desktop the domain still displays as "COMPANY_NT" and the username would show as "COMPANY_NT\username". It hasn't caused us any problems that we know of but we'd like the NT abolished forever. Anyone know how we might achieve this?
We have 3 server 2012 R2 domain controllers with a server 2012 functional/domain level.
Thanks in advance
That COMPANY_NT is the NetBIOS name for your domain, which was configured when it was set up - it doesn't actually have any relation to NT legacy cruft, that's just the name that someone picked.
Your domain will need to always have a NetBIOS name - you can't get rid of that.. but if you want, you can change the name with rendom so that it no longer says "NT". See here for how to do that - but, be warned, if you're running Exchange for email then you actually cannot change the NetBIOS domain name.
