Key Takeaways
- Outlook.com is having a sign-in problem.
- Users are getting logged out and cannot access mail.
- Microsoft says there are “too many requests” errors.
- Microsoft is undoing a recent change to fix the issue.
Hey, let’s discuss about Microsoft Outlook.com Outage Causes Login Problems and Access Issues. Microsoft is investigating a problem with Outlook.com that is causing sign-in issues and stopping some users from accessing their mailboxes. Microsoft said some users may experience intermittent sign-in failures, including “too many requests” errors or unexpected sign-outs.
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Table of Contents
Microsoft Outlook.com Outage Causes Login Problems and Access Issues
It added that client sign-in scenarios may be contributing to the issue, and it is working to validate interactions across service components. Microsoft has not shared the root cause or details about affected users or regions, and has only described it as “service degradation”.
| Aspect | Details |
|---|---|
| Reported issue | Intermittent sign-in failure |
| Symptoms | “Too many requests” errors, unexpected sign-outs |
| Cause | Client sign-in scenarios under investigation |
| Microsoft’s action | Reviewing service component interactions |
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Recent Microsoft Service Issues
Last month, Microsoft also fixed an Exchange Online outage that prevented users from accessing mailboxes and calendars across Outlook and other Exchange services. On the same day, it resolved another issue that caused sign-in problems on Office.com and Microsoft 365 Copilot, affecting Copilot features in the desktop app, Microsoft Teams, and Office apps.
Outlook Sign-In Issue Update
Microsoft is blaming the ongoing Outlook.com sign-in issues on a “recently introduced change”. It said it is reverting that change to see if it resolves the problem and is also reviewing customer reports and monitoring service data to decide next steps.
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Author
Anoop C Nair is a Workplace Technology solution architect with 25+ years of experience. Microsoft Certified Trainer. Microsoft MVP from 2015 onwards for consecutive 11+ years! He is a blogger, Speaker, and Founder of HTMD Community and HTMD Conference. His main focus is on Device Management technologies like Intune, Windows, and Cloud PC. He writes about technologies like Intune, SCCM, Windows, Cloud PC, Entra, and Microsoft Security.