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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 on 8/31/26 at 2:38 pm
Microsoft tests fix for latest hours-long Outlook outage | TechCrunch LINK
Posted on 8/31/26 at 2:39 pm to udtiger
quote:
In case you're wondering why your email has been quiet today
Thats the objective
Posted on 8/31/26 at 2:45 pm to udtiger
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.

Sounds like a good excuse to leave a bit early.
Posted on 8/31/26 at 2:51 pm to udtiger
Huh. Someone forgot to tell my Outlook.
Posted on 8/31/26 at 2:55 pm to udtiger
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.
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 on 8/31/26 at 2:55 pm to udtiger
My outlook email has been popping off all day today
Posted on 8/31/26 at 3:01 pm to udtiger
Unfortunately, not an issue for me. Even if it was people would just text anyway.
Posted on 8/31/26 at 3:17 pm to NewIberiaHaircut
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 on 8/31/26 at 4:28 pm to Breauxsif
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 on 8/31/26 at 4:39 pm to udtiger
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 on 8/31/26 at 5:03 pm to udtiger
I still haven’t received tomorrow work schedule or update from last week’s job
Posted on 8/31/26 at 5:06 pm to Colonel Angus
quote:
Huh. Someone forgot to tell my Outlook.
You're likely running Outlook on-prem
Posted on 8/31/26 at 7:25 pm to bad93ex
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.
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 on 8/31/26 at 8:19 pm to td1
quote:
dealing with users
Do not miss that
Posted on 8/31/26 at 9:47 pm to udtiger
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 on 8/31/26 at 9:57 pm to udtiger
I hate outlook with a passion

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