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Fix SharePoint Conversation Web Part Not Loading Issue

John Wilson Oct 1, 2026 868 views

Question details

Users are experiencing an error where the SharePoint Conversation or Highlights web part fails to load and the configuration panel cannot be accessed.

Fix SharePoint Conversation Web Part Not Loading

Product: Microsoft SharePoint Online
Device & OS: not provided
Scenario: Attempting to view or configure the Conversation or Highlights web part on a SharePoint page.
Observed behavior: The web part displays an error, fails to load for specific users or browsers, and its configuration panel is unresponsive.

Before you start

Ensure you have a stable internet connection and verify if the loading issue is occurring across multiple different web browsers or just one.

Solution 1Recommended

Use InPrivate or Incognito Browsing Mode

Testing the web part in a private browsing window helps determine if corrupted browser cache, cookies, or extensions are causing the loading error.

Browser-specific data can sometimes interfere with SharePoint's backend scripts, preventing certain web parts from loading correctly. Using a private window temporarily bypasses this data.

Open a Private Window

Launch your preferred web browser and open a new InPrivate window (Microsoft Edge) or Incognito window (Google Chrome).

Log into SharePoint

Navigate to your SharePoint Online environment and sign in with your standard Microsoft 365 credentials.

Verify the Web Part

Go to the affected page and check if the Conversation or Highlights web part loads properly and if the configuration panel can now be opened.

Use InPrivate or Incognito Browsing Mode

Browser Cache Issue: If the web part works perfectly in a private window, clearing your regular browser's cache and cookies will likely resolve the issue permanently.

Solution 2

Contact IT Support and Submit a Microsoft Service Request

If the web part fails across all browsers, the issue likely resides on the Microsoft backend and requires an official support ticket.

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Frequently Asked Questions

What is a HAR log and why does Microsoft need it to fix SharePoint?

A HAR (HTTP Archive) log records the interactions between your web browser and the website. Microsoft support teams use these logs to diagnose backend loading errors, network timeouts, or script failures preventing SharePoint web parts from working.

Why does the Conversation web part work for some users but not others?

This discrepancy can be caused by localized browser cache issues, specific user permission glitches, or corrupted backend credentials. If it's a backend issue, Microsoft Support may need to perform a credential reset for the affected users.

Can I fix the SharePoint web part error by myself?

You can attempt basic troubleshooting, such as clearing your browser cache or testing the page in Incognito mode. If those methods fail, the issue requires elevated administrative privileges, and your IT department will need to escalate it to Microsoft.

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