Using ENS Threat Prevention and VSE in a Microsoft Cluster environment
ENS Threat Prevention and VSE support a shared disk model and as such, do not interfere with the failover process on a Microsoft Cluster. But, the On Access Scanning service is not a cluster service and is not installed as a failover group resource.
Functionality Explained
ENS Threat Prevention and VSE install on each system or node in the cluster, and scan as they would on any other server. If a node fails, the surviving nodes with ENS Threat Prevention and VSE installed continue to operate as usual. The same is true when the node that failed comes back online - ENS Threat Prevention and VSE installed on it operate normally.
Microsoft Knowledge Base article 250355 deals with potential issues with antivirus software and failover operations on clusters. It also provides troubleshooting tips for these types of issues.
IMPORTANT: McAfee Enterprise designs its products to not impact failover operations. If you have a failover issue that you think McAfee Enterprise products caused, contact Technical Support.
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