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Samba HowTo Guide
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Samba Server Name-Change Problem

The name of the Samba server was changed, Samba was restarted, and now the Samba server cannot be pinged by its new name from an MS Windows NT4 workstation, but it does still respond to pinging using the old name. Why?

From this description, three things are obvious:

  • WINS is not in use; only broadcast-based name resolution is used.

  • The Samba server was renamed and restarted within the last 10 or 15 minutes.

  • The old Samba server name is still in the NetBIOS name cache on the MS Windows NT4 workstation.

To find what names are present in the NetBIOS name cache on the MS Windows NT4 machine, open a cmd shell and then:

C:\> 

nbtstat -n


              NetBIOS Local Name Table

   Name                 Type          Status
------------------------------------------------
FRODO            <03>  UNIQUE      Registered
ADMINISTRATOR     <03>  UNIQUE      Registered
FRODO            <00>  UNIQUE      Registered
SARDON           <00>  GROUP       Registered
FRODO            <20>  UNIQUE      Registered
FRODO            <1F>  UNIQUE      Registered


C:\> nbtstat -c

             NetBIOS Remote Cache Name Table

   Name                 Type       Host Address     Life [sec]
--------------------------------------------------------------
GANDALF	<20>  UNIQUE      192.168.1.1          240

C:\> 

In this example, GANDALF is the Samba server and FRODO is the MS Windows NT4 workstation. The first listing shows the contents of the Local Name Table (i.e., identity information on the MS Windows workstation), and the second shows the NetBIOS name in the NetBIOS name cache. The name cache contains the remote machines known to this workstation.

Samba HowTo Guide
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