Mailflow Send Test - ExO to Exchange Server (Hybrid)

Summary

This monitor focuses on measuring the Quality of Service (QOS) of a hybrid Exchange deployment. The monitor implements an end-to-end functionality probe to verify mail flow between an Exchange Online mailbox and an OnPremise mailbox.

Metric 22011 tests if an email is transmittable from Exchange Online to an Exchange Server mailbox.

Metric Value 0 indicates a success, while 1 an error. If there is a failure, the metric options indicate the following details:

Metric requires other metrics of the group to run. Please see "Configuration"

The metric returns the following details as metric options:

Reason, Exchange Online Database Name, Recipient, Sender User Name and GUID of email.

Configuration

An alert triggers when the metric value exceeds a threshold.

The interval in seconds of this monitor must align with the following monitors:

• Mailflow Send Check from ExO to Exchange Server Failed (Hybrid) (22011)

• Mailflow Receive Check from ExO to Exchange Server Failed (Hybrid) (22021)

• Slow Mailflow from ExO to Exchange Server (Hybrid) (22031)

• Many Send Retries from ExO to Exchange Server (Hybrid) (22041)

By default, this monitor is enabled.

Causes

Please see the Alert Context or State Change tab for details.

Resolutions

Depends on the cause of the issue, which can be manifold. Please refer to the below section for "additional information"

Additional

This monitor depends on metric 22011.