Is Outlook Down? Showing 500 Something Went Wrong Error Message
If you are receiving “500 Something went wrong” or similar error messages while trying to sign into Microsoft Outlook website or other email client software programs, you are not alone. It’s a widely spread issue officially acknowledged by Microsoft.
On June 25, 2023, I encountered this issue while trying to log into my Outlook email account. I was using Mozilla Firefox web browser on a Windows 11 device. When I tried to open Outlook.com website in my browser, it displayed following error message:
500
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Something went wrong.
An unexpected error occurred and your request couldn’t be handled.
[Refresh the page]
[More details]
Following screenshot shows the problem live in action:
When I clicked on “More details” link present on the error page, it displayed more technical information about the issue which was as following:
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clientIPAddress xx
X-ClientId: xx
request-id xx
X-OWA-Error System.MissingMethodException
X-OWA-Version 15.20.6500.46
X-FEServer SE2P216CA0002
X-BEServer SEZPR06MB5621
Date:6/25/2023 8:01:59 AM
I tweeted about the issue on official AskVG Twitter account and many readers confirmed the issue.
AskVG Tweet about Outlook Downtime Issue
A few readers (Sonal Arora, Haitham Badarin, Rai Louise, PlanTLet – nature’s foods revive U, Amy RedLivinginBlue) also shared that they were also facing similar issues with Outlook.
For most of the people, the error message was containing one of the following error codes:
System.MissingMethodException
System.TypeLoadException
The issue seems global and now it is occurring worldwide. Many users from India, USA, Brazil, Australia, Colombia, Toronto, UK, Chile, Panama, etc countries have reported the issue to Microsoft.
The issue is not specific to Firefox web browser. People using other web browsers such as Google Chrome and Microsoft Edge are also facing this issue.
Microsoft has officially acknowledged the issue at Twitter using their official “Microsoft 365 Status” account.
We’re continuing to investigate the issue causing impact to Outlook for the web. After further investigation, the issue is more widespread than North America.
We applied a build change that did not recover service as expected. We’re reviewing alternate mitigation options to resolve this issue.
We’re conducting tests on a fix that has been showing positive results. Once the validation is complete, we’ll deploy the change to all affected infrastructure.
We’ve initiated our deployment of the fix, and users should experience incremental relief as the fix progresses. We’re closely monitoring the deployment to ensure that the service recovers as expected.
The fix has reached over half of the affected infrastructure, and we’re seeing a significant decrease in failure rates.
We’ve confirmed that deployment of the fix has completed, and impact has been mitigated. Additional details can be found in the admin center under EX610644.
UPDATE: Microsoft has also confirmed the issue related to Outlook at official Windows 11 22H2 health board:
ISSUE: Microsoft Outlook and some apps might not open
Date: 2023-06-28
Status: Resolved external
Description: After installing KB5027231 or later updates on Windows devices with certain antivirus, antimalware or security software installed, you might not be able to open Microsoft or third-party apps. Some known affected apps are Microsoft Outlook and other Microsoft Office apps. This issue only occurs with 32-bit apps running on 64-bit Windows with Trellix Endpoint Security version earlier than 35.31.25. When attempting to open an affected app, Event Log indicates an access violation with the error “module is unknown”. This issue is not likely to be encountered by consumers using Windows devices in their home.
Resolution: This issue has been resolved by Trellix in Endpoint Security Agent (HX) 35.31.25 and later. If you are experiencing this issue with other security software installed or after installing the latest version of Trellix Endpoint Security Agent, please contact customer support of the security software you are using.
Affected platforms:
Client: Windows 11, version 22H2; Windows 10, version 22H2; Windows 11, version 21H2; Windows 10, version 21H2
Server: Windows Server 2022
More Info: Windows 11 2022 Update (22H2) Known Issues and Workarounds
Still a few Outlook users are reporting about the issue. It seems now the issue is occurring on web version only. The desktop email client applications such as Microsoft Outlook, Windows Mail, etc have started working fine.
PS: If you switched to new Outlook UI using “Try the new Outlook” toggle button, you might face the issue as the new UI utilizes web version of Outlook. To resolve the issue, switch to old classic Outlook UI using the same toggle option and you should be able to use Outlook in your client app.
Are you also facing the issue with Outlook website or client app? Please share your experience in comments section.
Also Check:
“Try the New Outlook” Toggle in Windows 11 Mail App to Switch to New Outlook App
[Tip] Show or Hide “Try New Outlook” Toggle Option in Microsoft Outlook Titlebar
Microsoft Displaying “Microsoft Start Newsletter” Ad Banner on Outlook Website
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