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How to Fix Microsoft Planner Comments Error When Traffic Is High

Aamir Naveed Akram Sep 28, 2026 869 views

Question details

Users are unable to add or view task comments in Microsoft Planner due to an error message stating that traffic is unusually high.

How to Fix Microsoft Planner Comments Error When Traffic Is High

Product: Microsoft Planner
Device & OS: not provided
Scenario: Attempting to collaborate on tasks by adding or reading comments within a specific Microsoft Planner plan.
Observed behavior: The system blocks the addition or viewing of comments and displays an error indicating that Planner traffic is unusually high.

Before you start

Verify if the comment error is isolated to a single plan or affects all plans across your organization, and gather details such as the browser used and the exact error message before seeking administrative support.

Solution 1Recommended

Contact Microsoft 365 Admin Support for Environment Investigation

Since this error is often tied to specific backend environment or tenant synchronization glitches, contacting Microsoft support through your administrator is the most effective resolution.

Community forum support typically lacks the backend permissions required to investigate and resolve tenant-specific Planner errors. Therefore, the issue must be escalated to the official Microsoft 365 admin support team.

Identify your administrator

Find your organization's Microsoft 365 administrator or IT support team, as only they have the permissions to access the admin portal.

Gather troubleshooting details

Collect the affected plan name, impacted users, exact error message, browser details, and any basic troubleshooting steps you have already tried (like clearing the cache).

Open a support ticket

Have the administrator log into the Microsoft 365 admin center, navigate to 'Help & support', and create an online support ticket detailing the Planner issue.

Provide investigation data

Submit the gathered information to the Microsoft support agent so they can investigate the specific plan or service environment causing the traffic error.

Contact Microsoft 365 Admin Support for Environment Investigation

Admin Access Required: Only users with admin privileges can open a support ticket in the Microsoft 365 admin center. End-users must route this request through their IT department.

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Frequently Asked Questions

Why does Microsoft Planner say traffic is unusually high?

This error typically indicates a server-side glitch or synchronization issue within your specific Microsoft 365 environment or tenant, rather than actual global internet traffic.

Can I fix the Planner high traffic error myself?

Usually, no. If standard troubleshooting like clearing your browser cache or trying an incognito window fails, the issue requires backend investigation by Microsoft support.

Where can my admin open a Microsoft 365 support ticket?

Your Microsoft 365 administrator can open a support ticket by logging into the Microsoft 365 admin center, navigating to the Support section, and selecting 'Help & support'.

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