Posted on 11/12/2026 1:44:37 PM PST by JSM_Liberty
Microsoft reported issues with users' Exchange Online mailboxes and an issue with Microsoft Teams, according to posts on social media Thursday.
"We're investigating reports of users experiencing issues accessing Exchange Online mailboxes through multiple connection methods in the Americas," the company wrote, after first reporting "users experiencing issues when accessing or using Microsoft Teams functionality in North America."
The company initially said the issues involving Exchange Online mailboxes could be due to infrastructure "experiencing elevated load across multiple regions."
Microsoft later clarified, "We determined the elevated load isn't driven by an increase in traffic, but by a number of servers being unexpectedly unavailable; straining the remaining infrastructure."
The company said around 4 p.m. Thursday that it believes its latest attempt to fix the issue showed signs of being successful.
"We've validated an alternative service health check method, which allowed a subset of affected servers to successfully return to service. We're now applying this change more broadly," Microsoft said in a statement. "We're also preparing automated recovery systems to continually detect and restart unresponsive servers, to maintain service stability while this change progresses."
Outlook has been down for a few hours as Microsoft attempted to deploy several fixes.
"We've not identified any recent change correlated with the start of impact; however, our investigation indicates the failed health checks may originate from a specific component that's responsible for processing server health," Microsoft previously said. "We've taken steps to prevent additional servers from being impacted while we work to return the affected servers to service."
Regarding the issues with Microsoft Teams, the company followed up shortly after first reporting the issue, writing, "Our mitigative actions have successfully restored service health and functionality."
Downdetector, which monitors outages, reported issues with both Microsoft Teams and Outlook, among other products on Thursday.
Regarding the issues affecting Exchange Online mailboxes, the company added, "we've confirmed the issue may affect Microsoft 365 service connectivity for users in any region."
The company continued to provide updates on the potential fix to the mailbox issue on Thursday, and added, "We're aggressively pursuing all pathways to reduce impact. We've paused all deployments, we're moving additional traffic off the affected infrastructure, and we're restarting affected servers to return them to service."
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My computer has been working like a dried dog turd the past couple of days, since the last MSFT update. Not an “outlook” user.
Two Dixie cups and a string don’t go down as often.
I’m so glad technology is making our lives easier, simpler, and less stressful.
still out
Stuxnet 2026? payback’s a ……
Mine is still out, too.
Maddening.
Yeah - several of our clients have been down since around 11:30. Some are not.
Several of our government clients are okay.
Thought it was just me.
Got up from desk and went cold calling
I’m surprised so few FReepers are commenting on this thread.
Maybe everyone’s working.
No email is often a blessing. Unless you’re waiting for attachments etc.
I am looking forward to the crisis management-drafted explanation for this outage.
FR is working. Company business apps are mostly not working. Wasn’t my idea to put it all in the cloud...
Or the IRCG hacked MS...
Sure, it will be a quiet afternoon on the email front, but that just means tomorrow is going to suk
I switched to Thunderbird a year ago and never looked back. Permanently locked out of Outlook on EVERY platform by an endless login loop. Sayonara! (I still use a paper calendar by choice).
Nonsense. I’m still getting ALL my spam emails and Domino’s coupons. Life goes on!
“I’m afraid I can’t do that, Dave.”
When I click on an outlook message it doesn’t open the embedded link. If I open the link manually it works. Thanks for alerting us to the outlook issues that they are having today. Maybe my problem which started today is related?
It’s down where I work.
My daughter relayed to us that her MS Outlook wasn’t working. I’ll have to see if she’s back up again.
I’m still out also.
I think this is the first time this ever happened to me.
I tried yet again and it wanted to confirm my identity/settings. I had the option to create a passkey. I went to my notes to see if I already had a passkey. Then Outlook died on me again.
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