Microsoft KB Archive/107060

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Windows NT NBTSTAT -R vs. LAN Manager ADDNAME

Article ID: 107060

Article Last Modified on 10/31/2006


  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Workstation 3.1
  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Workstation 4.0 Developer Edition

This article was previously published under Q107060


The ADDNAME utility that ships with LAN Manager TCP/IP allows you to enter LAN Manager NetBIOS names and their IP addresses into the TCP/IP name cache without modifying the LMHOSTS file. The same functionality is available in Windows NT by the NBTSTAT utility.

To add a new NetBIOS name IP address in Windows NT, do the following:

  1. Edit the file <winnt root>\SYSTEM32\DRIVERS\ETC\LMHOSTS.
  2. Add the new IP address and NetBIOS name.
  3. Put #PRE at the end of the line if you want the address to be cached into memory. Otherwise, Windows NT will search the LMHOSTS file if the name is not found in the cache which could take longer.
  4. Run NBTSTAT -R.

The -R parameter rereads the LMHOSTS file and adds #PRE lines into the name cache.


Windows NT "TCP/IP Reference"

Additional query words: prodnt NTAS LM PING

Keywords: kbnetwork KB107060