Event ID - 20

Event Id20
SourceWLBS
Description%4 %1: port rules with duplicate single host priority %2 detected on the network. Please check %4 Setup dialog on all hosts that belong to the cluster and make sure that they do not contain single host rules with duplicate priorities for the same port range. %3
Event Information"According to Microsoft:
Cause:
When you configure a port rule as a single host, traffic to the port or ports governed by that port rule is handled exclusively by the host whose priority has the lowest numeric value. This event is logged when the local hosts single host priority is identical to the single host priority of another host. The cluster will not converge until the problem is corrected.
User Action:
Edit the single host port rule on one of the hosts to give it a unique priority within the cluster. For more information about using Network Load Balancing to assign a unique priority to a host, see Help."
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