|Product:||Windows Operating System|
|Message:||NLB Cluster %2 %1: Cluster network mask %3 is invalid. Please check the NLB configuration and make sure that the cluster network mask consists of four decimal byte values separated by dots. %4|
This event is logged when the subnet mask entered for the Cluster IP address is not valid.
Correct the subnet mask for the Cluster IP address. For more information about correcting the subnet mask in Network Load Balancing, see Help and Support.