Different domains when connecting via RDP

Question

Hello,

When connecting to our domain controller via RDP, we (ofcourse) get the notification to fill in our admin credentials.
However, this is with the domain "company.local\user". when connecting via RDP to our management machine in datacenter that is located somewhere else i need to sign in with COMPANY\user.

What is the difference between these? and can it hurt our network our does it indicate that there is something wrong with our network. I didn't see this before as it was just COMPANY\user

Regards,
Bjorn

Answer 1

Hello @Bjorn ten Hoeve

I believe they are just two different log on names, so you can go with it.

AD domain short name is referred as the NetBIOS Name (as in the AD logon name <DOMAIN>\<username>).

Domain\User is the "old" logon format, called down-level logon name. Also known by the names SAMAccountName and pre-Windows 2000 logon name

The slashed format (DOMAIN\username) is actually the NetBIOS equivalent of the domain's DNS name (domain.company.local).

Active Directory: Best Practices for Internal Domain and Network Names

Understanding Active Directory Naming Formats

Hope this helps!

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Best Regards
Karlie

Answer 2

If one domain is named "company.local" and the other is "company", then what you are seeing is correct. The domain name is part of the login. Connecting to the domain controller is distinguished from connecting to a machine in the datacenter.