What are the NetBIOS suffixes (16th character)?
John Savill
February 20, 2000
1 Min Read
A. NetBIOS names are 16 characters long with the 16th characteralways being a special character identifying the type of name, for example adomain NetBIOS record with 1C as the 16th character is a domain controller (thisis how they are located). The full list is as follows:
Name Number(h) Type Usage-------------------------------------------------------------------------- 00 U Workstation Service 01 U Messenger Service<\--__MSBROWSE__> 01 G Master Browser 03 U Messenger Service 06 U RAS Server Service 1F U NetDDE Service 20 U File Server Service 21 U RAS Client Service 22 U Microsoft Exchange Interchange(MSMail Connector) 23 U Microsoft Exchange Store 24 U Microsoft Exchange Directory 30 U Modem Sharing Server Service 31 U Modem Sharing Client Service 43 U SMS Clients Remote Control 44 U SMS Administrators Remote Control Tool 45 U SMS Clients Remote Chat 46 U SMS Clients Remote Transfer 4C U DEC Pathworks TCPIP service on Windows NT 52 U DEC Pathworks TCPIP service on Windows NT 87 U Microsoft Exchange MTA 6A U Microsoft Exchange IMC BE U Network Monitor Agent BF U Network Monitor Application 03 U Messenger Service 00 G Domain Name 1B U Domain Master Browser 1C G Domain Controllers 1D U Master Browser 1E G Browser Service Elections 1C G IIS 00 U IIS
Where the record is U only one IP address may be assigned, where G its agroup and may have multiple IP addresses. M is a multihomed machine (a machinewith more than one network card) and I is an Internet group.
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