Got Exchange online problems?

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You are not alone. All of my Microsoft based email accounts are not working – my iphone wanted all of them reauthenticated. My OWA isn’t working. Bott
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Susan Bradley Patch Lady/Prudent patcher

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Just after 3:00pm in Texas, I started getting login requests that did not work for Office 2019 Outlook. I can still logon to outlook email servers with Firefox.
Mike

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This is hitting all of our M365 Exchange customers, and it is also hitting my family’s personal MSN/Outlook accounts.

 

 

~ Group "Weekend" ~

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Microsoft 365 support posted the following update on X:

We’re investigating an issue in which users may be unable to access Outlook features and services. Additional details can be found under MO1020913 in the admin center.

— Microsoft 365 Status (@MSFT365Status) March 1, 2025

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Some users may experience issues with one or more Microsoft 365 services ID: MO1020913 Issue type: Incident   Status Service Degradation   Impacted services Microsoft 365 suite, Exchange Online, Microsoft Teams   Details Title: Some users may experience issues with one or more Microsoft 365 services User impact: Users may experience issues with one or more Microsoft 365 services. More info: Affected users may be unable to access the following Microsoft 365 services: – Microsoft Teams – Exchange Online Current status: We’ve identified a recent code change to a portion of service infrastructure that we suspect is causing impact. We’ve reverted the code change, and we’re monitoring service health telemetry to confirm if the reversion is returning service to expected functionality. Scope of impact: Some users attempting to access one or more Microsoft 365 services may be impacted. Next update by: Saturday, March 1, 2025, at 11:00 PM UTC

Susan Bradley Patch Lady/Prudent patcher

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worf2019usa

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We’re all good!
Everything is up and running

2 users thanked author for this post.

worf2019usa, WSlagunacreek

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Hmm, my Exchange 2019 on premises mail server was working just fine

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It seems that M/S has a new Outlook so the old one is now Exchange. Mac users can simply delete their existing (old) Outlook email from the Internet Accounts on their Mac and then create a new email account by selecting “Microsoft Exchange” from the available choices. Create your “new” email account (don’t do it manually) and you are back in business. You can still use your outlook and/or msn email addresses and all your email files will come back!

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There are some explanations of an incorrect application of a configuration rule that may explain what some users of Outlook have recently seen/

Microsoft blames Outlook’s wobbly weekend on ‘problematic code change’

https://www.theregister.com/AMP/2025/03/03/microsoft_outlook_outage/

chasing through Reditt & some other searches , I found tht this article gives most clear explanation & links to related info/

https://www.bleepingcomputer.com/news/microsoft/microsoft-links-recent-microsoft-365-outage-to-buggy-update/

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8 AM Wednesday, March 5th. MS 365 down for me. Get a “Something went wrong” message with error code  0x426-0x0. Classic Outlook, Excel, and Word all out. This is what I am paying for and will have to pay a lot more soon? It appears that MS has known about this problem for several days…

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Alert Icon
We’re having issues

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