Policy
Allow NetBT queries for fully qualified domain names
Specifies that NetBIOS over TCP/IP (NetBT) queries are issued for fully qualified domain names. If you enable this policy setting, NetBT queries will be issued for multi-label and fully qualified domain names such as "www.example.com" in addition to single-label names. If you disable this policy setting, or if you do not configure this policy setting, NetBT queries will only be issued for single-label names such as "example" and not for multi-label and fully qualified domain names.
598b9730a5e1 DNS_AllowFQDNNetBiosQueries Registry
Copy registry mappings
HKLM\Software\Policies\Microsoft\Windows NT\DNSClient\QueryNetBTFQDN (enabled) = 1
HKLM\Software\Policies\Microsoft\Windows NT\DNSClient\QueryNetBTFQDN (disabled) = 0 Policy notes
Specifies that NetBIOS over TCP/IP (NetBT) queries are issued for fully qualified domain names. If you enable this policy setting, NetBT queries will be issued for multi-label and fully qualified domain names such as "www.example.com" in addition to single-label names. If you disable this policy setting, or if you do not configure this policy setting, NetBT queries will only be issued for single-label names such as "example" and not for multi-label and fully qualified domain names.