NLB Cluster %2 %1: Windows 2000 or NT 4.0 host(s) are participating in this cluster. Consult the relevant NLB documentation concerning the potential limitations of operating a mixed cluster. %3 %4

Details
Product: Windows Operating System
Event ID: 80
Source: WLBS
Version: 5.2
Symbolic Name: MSG_WARN_MIXED_CLUSTER
Message: NLB Cluster %2 %1: Windows 2000 or NT 4.0 host(s) are participating in this cluster. Consult the relevant NLB documentation concerning the potential limitations of operating a mixed cluster. %3 %4
   
Explanation

Certain features of Network Load Balancing (NLB) are not designed to work in a mixed cluster, that is, in a cluster with hosts running a product in the Windows Server 2003 family along with hosts running Windows 2000 or Windows NT 4.0. These features include virtual clusters, bidirectional affinity, and IPSec load balancing (such as VPN).

   
User Action

These features can be used if the cluster contains only hosts running a product in the Windows Server 2003 family. If you require any of these features, remove all hosts running Windows 2000 and Windows NT 4.0 from the cluster. For more information about NLB, see Help and Support.

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