Power Platform – Please hard refresh your active long-running browser tab(s) [MC1296939]

Message ID: MC1296939
We are completing a platform update across Power Platform that started on April 29, 2026, and is anticipated to be completed by May 31, 2026. During this update, and for a period after, customers with active long-running browser tabs may experience intermittent sign-in interruptions with the listed apps below.

• Power Apps (apps.powerapps.com)
• Power Apps Studio (make.powerapps.com)
• Power Automate (make.powerautomate.com)
• Power Pages design studio (make.powerpages.microsoft.com)
• Power Platform admin center (admin.powerplatform.microsoft.com)
• Copilot Studio (copilotstudio.microsoft.com)
• Power Apps vibe (vibe.powerapps.com)
• Project Sophia (projectsophia.microsoft.com)

What action do I need to take?
If you receive a notification to sign in to any of the listed apps, please hard refresh (Ctrl+Shift+R on Windows / Cmd+Shift+R on Mac) your long-running browser tab(s) to resolve the issue.

Why is this action needed?
This Power Platform update may result in sign-in interruptions for users with long-running browser tabs. If action is not taken, you may continue to experience these interruptions until the tab is refreshed.

Please contact Microsoft Support if you require further assistance.

Source: Microsoft

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