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In case you're wondering why your email has been quiet today - nationwide Outlook issue

Posted on 8/31/26 at 2:38 pm
Posted by udtiger
Over your left shoulder
Member since Nov 2006
118615 posts
Posted on 8/31/26 at 2:38 pm
Microsoft tests fix for latest hours-long Outlook outage | TechCrunch LINK
Posted by USEyourCURDS
Member since Apr 2016
13062 posts
Posted on 8/31/26 at 2:39 pm to
Posted by EdgarAllenHoe
Member since Aug 2026
61 posts
Posted on 8/31/26 at 2:39 pm to
quote:

In case you're wondering why your email has been quiet today


Thats the objective
Posted by AgCoug
Houston
Member since Jan 2014
6890 posts
Posted on 8/31/26 at 2:45 pm to
Most of what I have left to do today is through Outlook. Our IT had no updates when they expect it to work again.

Sounds like a good excuse to leave a bit early.

Posted by Colonel Angus
Member since Aug 2007
2295 posts
Posted on 8/31/26 at 2:51 pm to
Huh. Someone forgot to tell my Outlook.
Posted by Tiger Ugly
Baton Rouge
Member since Jul 2008
19515 posts
Posted on 8/31/26 at 2:52 pm to
same here
Posted by Breauxsif
Washington
Member since May 2012
23929 posts
Posted on 8/31/26 at 2:55 pm to
More than likely I am thinking the errors are cryptographic/certificate related, which would make sense if something in the authentication chain was failing validation. You'd basically start at the user request and trace it through authentication>> Exchange>> mailbox/transport, and see exactly where it starts falling apart.

From there I'd be looking at telemetry, authentication failure rates, exception logs, recent changes/deployments, and comparing a healthy environment against an affected one. That's how you start narrowing down whether you're dealing with a bad deployment, certificate/crypto issue, dependency failure, configuration problem, etc.

Posted by ThePoo
Work
Member since Jan 2007
62111 posts
Posted on 8/31/26 at 2:55 pm to
My outlook email has been popping off all day today
Posted by madamsquirrel
The big somewhere out there
Member since Jul 2009
56879 posts
Posted on 8/31/26 at 2:57 pm to
Same
Posted by NewIberiaHaircut
Lafayette
Member since May 2013
12613 posts
Posted on 8/31/26 at 3:01 pm to
Unfortunately, not an issue for me. Even if it was people would just text anyway.
Posted by SCwTiger
armpit of 'merica
Member since Aug 2014
7141 posts
Posted on 8/31/26 at 3:17 pm to
I've sent two emails this afternoon that refuse to send. Good thing about the Draft folder ... I'll try again in the morning.
Posted by WestSideTiger
Baton Rouge
Member since Jan 2004
5639 posts
Posted on 8/31/26 at 4:28 pm to
quote:

More than likely I am thinking the errors are cryptographic/certificate related

That’s what it is. Someone at MS didn’t renew a cert. I can see the error on our Exchange admin center. The cert with thumbprint XXXXX is expired. Been there.



Posted by JPLSU1981
Baton Rouge
Member since Oct 2005
28811 posts
Posted on 8/31/26 at 4:39 pm to
Yeah I stopped getting @msn emails sometime this morning (personal email). I usually get 25 or so an hour that don’t go to Junk so when a couple hours passed with nothing new I knew something was up. Tried to log in directly on website and nothing then I googled and saw the Microsoft outage
This post was edited on 8/31/26 at 4:41 pm
Posted by biglego
San Francisco
Member since Nov 2007
86185 posts
Posted on 8/31/26 at 4:51 pm to
You’re talking gibberish
Posted by lepdagod
Baton Rouge
Member since Jan 2015
6446 posts
Posted on 8/31/26 at 5:03 pm to
I still haven’t received tomorrow work schedule or update from last week’s job
Posted by bad93ex
Walnut Cove
Member since Sep 2018
37212 posts
Posted on 8/31/26 at 5:06 pm to
quote:

Huh. Someone forgot to tell my Outlook.



You're likely running Outlook on-prem
Posted by td1
Baton Rouge
Member since Oct 2015
3240 posts
Posted on 8/31/26 at 7:25 pm to
Been a long day dealing with users who have to let us know that this is unacceptable while also giving us attitude. Like we can just drive to Redmond and demand MS fix our shite now.

The worst part is some user’s email is running like nothing is wrong, that makes it even harder for Karen to accept there really is an outage. As if we didn’t have anything important to do today so we just f’d up Karen’s email so we could deal with her condescending ai generated responses as to why her email should be working.



Posted by bad93ex
Walnut Cove
Member since Sep 2018
37212 posts
Posted on 8/31/26 at 8:19 pm to
quote:

dealing with users


Do not miss that
Posted by LSU Grad Alabama Fan
369 Cardboard Box Lane
Member since Nov 2019
14652 posts
Posted on 8/31/26 at 9:47 pm to
I missed two emails for the same issue today and saw them in my inbox tonight. I though I was losing it until I read this article. Thanks.
Posted by TutHillTiger
Mississippi Alabama
Member since Sep 2010
51935 posts
Posted on 8/31/26 at 9:57 pm to
I hate outlook with a passion
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