Microsoft KB Archive/248605

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Cluster IP address resource fails with many IP address resources defined

Article ID: 248605

Article Last Modified on 10/15/2007


  • Microsoft Windows NT Server 4.0 Enterprise Edition

This article was previously published under Q248605


If you create many IP address resources with the "Enable Netbios" option enabled, one or more resources may fail if the total number of Netbios enabled addresses on the system exceeds 64.

In Event Viewer, you may see the following event ID:

Event ID 1044
Source: Cluster Svc
Text: Cluster IP Address could not create the required Netbios interface.


This behavior occurs because Netbios has a table limit of 64 IP Addresses. In most cases, this number of IP addresses might be used for World Wide Web or FTP resources which do not require an entry in the Netbios table.


To resolve this behavior, allow the "Enable Netbios" option to be checked only on IP Address resources that have a Network Name resource dependent on it, or when the address is used with Netbios.

Note This behavior may also occur in Windows Server 2008 Enterprise and in Windows Server 2008 Datacenter


This behavior is by design.

Additional query words: mscs netbios IP address fail

Keywords: kbnetwork kbprb KB248605