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Fix Microsoft Planner Not Sending Overdue or Upcoming Task Notifications
Question details
Users are receiving assignment alerts but are not getting automated email reminders for tasks that are overdue, due today, or upcoming.
- Product
- Microsoft Planner
- Device & OS
- not provided
- Scenario
- Managing tasks in Microsoft Teams and personal plans while expecting automated email reminders for approaching or missed deadlines.
- Observed behavior
- Assignment alerts trigger normally, but the automated server-side email notifications for overdue and upcoming tasks fail to send to users' inboxes.
Verify that your personal Planner notification settings are correctly configured to receive emails for late and upcoming tasks before escalating the issue to your IT department.
Escalate to Microsoft 365 Support via the Admin Center
Since this is often caused by a temporary Microsoft service problem or a server-side processing error, a Microsoft 365 administrator must request a service log review.
Automated notifications like overdue or due-today emails rely on backend batch processing on Microsoft's servers. When these fail globally for an organization while direct assignment alerts still work, it usually indicates a temporary server disruption.
If you are a Microsoft 365 administrator, navigate to the Microsoft 365 admin center using your admin credentials.
Go to the 'Support' section on the left sidebar and select 'Help & support' or 'New service request'.
Explain that Planner assignment alerts are working, but overdue and upcoming task reminders are failing. Specifically request a review of the service logs.
If you are not an administrator, contact your IT department or organization's administrator and ask them to submit this request to Microsoft on your behalf.
Verify User Notification Settings in Planner
Ensure that the email notification settings for upcoming and overdue tasks are actually enabled for your personal account.
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Frequently Asked Questions
Why do I get Planner assignment alerts but not overdue task emails?
Assignment alerts are triggered immediately upon a user action, whereas overdue and upcoming task emails rely on automated server-side batch processing by Microsoft. If the server experiences a temporary processing issue, these batch emails may fail to send while instant alerts continue to function.
Can I manually trigger an overdue task notification in Microsoft Planner?
Planner does not have a native button to manually trigger overdue notifications. You can, however, manually add a comment to the task and tag the assigned user, which will instantly generate a direct email notification.
Who can contact Microsoft Support for Planner notification failures?
Only users with Microsoft 365 administrative privileges can open official support tickets through the admin center to request server log reviews. Standard users must route their troubleshooting requests through their internal IT administrators.
Does Microsoft Teams control Planner's overdue notifications?
No, while Planner integrates with Teams, the automated overdue and upcoming task notifications are managed directly by Microsoft Planner's backend services. Changing Teams notification settings will not fix missing Planner email reminders.
