Microsoft KB Archive/98832

= NET WHO Broadcasts Can Be Disabled to Reduce Traffic =

Article ID: 98832

Article Last Modified on 7/30/2001



This article was previously published under Q98832



SUMMARY
To allow more flexibility in reducing broadcast traffic, you can disable the NET WHO data collection feature on Microsoft LAN Manager server versions 2.1a and later.

To keep track of currently logged on users, the primary domain controller walks a list of them every 15 minutes, sending out a datagram to each name. The datagram is a multicast (NetBEUI) or broadcast (TCP/IP) packet directed to a specific name. On networks where broadcast traffic is a concern, (especially those using TCP/IP Extensions for LAN Manager), it may be worthwhile to disable this feature if it isn't needed for administrative purposes.

To disable NET WHO, add the following to LANMAN.INI on the primary domain controller:   [netlogon]

netwho=no Clients still can type NET WHO, but they no longer see accurate lists of who is logged onto the network.

Additional query words: 2.10a 2.1a 2.20 2.2

Keywords: KB98832

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