Heartbeat alerts are occurring for machines which are online and the Monitor Agent is running. These alerts are then resolved shortly after occurring.
While there is a server-side retry mechanism for checking Heartbeats, there is no agent-side mechanism to ensure the Heartbeat was sent in time. If a Heartbeat fails to make it to the server for any reason, the polling interval will reset and the next Heartbeat may not be sent to the server in time causing a Heartbeat alert to occur.
This is a known issue. It is under investigation and will be resolved in future release.
A possible workaround may be to adjust the Heartbeat settings to compensate for this:
Access the Data Collection tab for each Monitor Agent configuration policy
Change the Send heartbeat every: value to "10 Minutes", then Save Changes
Access the Heartbeat tab in the Monitor Server Settings configuration policy
Change the values to Check for heartbeat every: "12 Minutes", Retry every: "230 Seconds", and Retry attempts: "3"
This will allow for a period of 2 missed Heartbeat alerts to occur before a Heartbeat alert is triggered.
Monitor Solution for Servers 7.x
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