Back to Microsoft Active Directory authentication
The netbios name of the Artica machine (the fqdn) must not exceed 15 characters and the domain of the Artica machine must reflect the windows domain.
If your windows domain is company.tld, the Artica machine name could be articaprxy.company.tld
Do not use the administrator account you use to maintain your windows domain but create a dedicated one for Artica
Artica will use DNS to find the Windows domain, usually your Active Directory server has a DNS server.
Check that you have correctly entered the DNS of your Active Directory domain.
If you using DNS cache service on Artica, use Forward zones configuration
For successful NTLMv2 user authentication, the system date and time on the Artica must be the same time on the Active Directory server.
It's advisable to set Maximum tolerance for computer clock synchronization to a value of 5 minutes.
The server allows for time zone differences.