Microsoft KB Archive/287672

= PRB: Adding a Cluster Member May Delete Existing IP Addresses on the Target Server =

Article ID: 287672

Article Last Modified on 3/21/2001

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APPLIES TO


 * Microsoft Application Center 2000 Standard Edition

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This article was previously published under Q287672



SYMPTOMS
In Application Center 2000, when you use the Add Cluster Member Wizard or the CLUSTER command line tool to add a new server to an existing cluster that is using network load balancing (NLB), the existing IP addresses on the target server may be replaced by the specified dedicated IP address (DIP) and/or the current cluster's IP address configuration.



STATUS
This behavior is by design. Servers in an Application Center 2000 cluster that is using NLB must have identical IP address settings (other than dedicated IP addresses) on the load-balancing network adapter to ensure proper operation of NLB.



Steps to Reproduce Behavior
The following sample command line will effectively replace all IP addresses bound to the NLB-enabled adapter on the target computer with the specified dedicated IP address (DIP) and the current cluster's IP address configuration.

AC CLUSTER /Y /ADD /CONTROLLER:Server01 /MEMBER:Server02 /USER:Domain\Username /PASSWORD:***** /DEDICATEDIP:192.168.0.2 /DEDICATEDIPSUBNETMASK:255.255.255.0 /LBNIC:0 /MANAGEMENTNIC:1

Keywords: kbprb KB287672

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