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All VMs in ESX or Hyper-V show "no heartbeat" alerts
How to resolve the issue where "No Heartbeat" alerts show for all VMs in ESX and/or Hyper-V environment.
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Overview
"No Heartbeat" alerts show for all VMs in ESX and/or Hyper-V environment.
The Virtualization Manager appliance includes an alert that triggers when a VM fails to send to a heartbeat during the expected interval. Sending a heartbeat in a VMWare environment requires VMWareTools being installed; and in a Hyper-V environment having the Integration Service installed/enabled.
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Resolution
Install the appropriate tools or start the appropriate service.
- For VMware users, install VMWareTools.
- For Hyper-V, make sure the Integration Service is installed/enabled.