Outage in Cisco Duo

[All Deployments] Duo Desktop not being recognized on Windows 11 24H2/25H2

Resolved Minor
October 15, 2025 - Started 1 day ago - Lasted about 8 hours
Official incident page

Incident Report

We are currently investigating an issue causing Duo Desktop to not be recognized during authentications on Windows 11 24H2/25H2. If possible, please refrain from upgrading to 24H2/25H2 at this time. However, if this has already been done, downgrading to the previous version will resolve the issue. Please check back here or subscribe to updates for any changes.
Components affected
Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Admin Panel Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service Cisco Duo Core Authentication Service
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Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 10/15/2025 08:01PM

We have identified an issue with a recent Windows update that has caused Duo Desktop to not be recognized on Windows 11 24H2 and 25H2 and have provided remediation steps in a Knowledge Base article linked below.

While we work with Microsoft to ensure a permanent solution is provided via update, we will be marking this incident resolved and providing further updates through the KB article as well as via email communications.

Why is Duo Desktop not detected on my Windows device after installing updates to Windows 11?
https://help.duo.com/s/article/9527

Please check the KB article for any further updates.

IDENTIFIED 1 day ago - at 10/15/2025 04:00PM

We have identified an issue with a recent Windows update that has caused Duo Desktop to not be recognized on Windows 11 24H2 and 25H2 and have some recommended remediation steps to resolve the issue.

We have published a KB article with the steps:
https://help.duo.com/s/article/9527

We are working with Microsoft to provide a more permanent solution in a future Windows update.

Please check back here or subscribe to updates for any changes.

INVESTIGATING 1 day ago - at 10/15/2025 12:19PM

We are currently investigating an issue causing Duo Desktop to not be recognized during authentications on Windows 11 24H2/25H2.

If possible, please refrain from upgrading to 24H2/25H2 at this time. However, if this has already been done, downgrading to the previous version will resolve the issue.

Please check back here or subscribe to updates for any changes.

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