PRB: Adding a Cluster Member May Delete Existing IP Addresses on the Target Server (287672)

The information in this article applies to:

Microsoft Application Center 2000

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.

MORE INFORMATION

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

Modification Type:	Major	Last Reviewed:	3/21/2001
Keywords:	kbDSupport kbprb KB287672