When you try un-checking [Enable heartbeat monitoring for the virtual machine] checkbox in the properties dialog of a VM Resource from Failover Cluster Manager in Windows Server 2012, “The data is invalid” warning dialog comes up and you are not able to complete the process.
Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.