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Usually, the notification email is by default sent whenever the sync service is not running for specific time. Or it also sends notifications when there are some errors while synchronization process.
You will have to enable this notification in AD connect health option in Azure AD portal.
To enable email, you can follow below steps,
- In the Azure Portal, search for Azure AD Connect Health
- Select Sync errors
- Select Notification Settings.
- At the email notification switch, select ON.
- Select the check box if you want all Hybrid Identity Administrators to receive email notifications.
- If you want to receive email notifications at any other email addresses, specify them in the Additional Email Recipients box. To remove an email address from this list, right-click the entry and select Delete.
- To finalize the changes, click Save. Changes take effect only after you save.
You can also refer to below article to understand what kind of alerts are sent by health agent,
Let me know if you have any further questions.
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