NetBIOS - NetBIOS Suffixes

NetBIOS Suffixes

The NetBIOS Suffix, alternately called the NetBIOS End Character (endchar), is the 16th character of a NetBIOS name and indicates service type for the registered name. The number of record types is limited to 255; some commonly used values are:

For unique names:

• 00: Workstation Service (workstation name)
• 03: Windows Messenger service
• 06: Remote Access Service
• 20: File Service (also called Host Record)
• 21: Remote Access Service client
• 1B: Domain Master Browser – Primary Domain Controller for a domain
• 1D: Master Browser

For group names:

• 00: Workstation Service (workgroup/domain name)
• 1C: Domain Controllers for a domain (group record with up to 25 IP addresses)
• 1E: Browser Service Elections