- Level
- confirmed
- Worst impact
- Degraded
- Regions
- us
- Down Index
- 26of 100
What to do
Check whether you use Duo Security in us. Check your stack
Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.Confirm your retries, queues and scheduled jobs caught up after the 7h 6m it lasted.
Anything that failed between 2025-09-29 09:46 UTC and 2025-09-29 16:52 UTC may need a replay.Subscribe to Duo Security's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=duo works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Updates from Duo Security 4
- investigating
We are current investigating issue where custom attributes are not being synced from Entra ID to Duo. Entra ID sync is working as expected with standard attributes. Please refer to the status page for further updates.
provider
- investigating
We are continuing to investigate this. Please pause your Entra ID sync if you are using any custom attributes as sync attributes, and, if possible, do not run a full manual sync until the issue is resolved. As a workaround, an admin can sync individual users by following the instructions in our guide below: https://duo.com/docs/azuresync#sync-individual-users-from-the-duo-admin-panel
provider
- identified
We have identified the issue causing custom attributes to not sync from Entra ID to Duo and are working with the vendor to resolve it. We will work with affected customers while a fix is developed and deployed. Please reach out to support@duo.com or give us a call at the number listed for your region on our Support Page, https://duo.com/support. We will close this incident on the Status Page shortly. Please pause your Entra ID sync if you are using any custom attributes as sync attributes, and, if possible, do not run a full manual sync until the issue is resolved. As a workaround, an administrator can sync individual users by following the instructions in our guide below: https://duo.com/docs/azuresync#sync-individual-users-from-the-duo-admin-panel
provider
- resolved
This incident has been resolved.
provider
Reports count in aggregate; nothing about you is shown.
Corrections
None so far.
Something wrong on this page? Report an error or send us a note. Every fix is listed here.
Questions about DWN-556c33b5ec
Is Duo Security still down?
No, this incident was resolved 2025-09-29 16:52 UTC. For Duo Security's live state, see https://down.guide/duo.
How long did it last?
7h 6m, from 2025-09-29 09:46 UTC to 2025-09-29 16:52 UTC, by the times Duo Security posted.
What was affected?
Duo Security named in us.
What caused it?
Duo Security hasn't published a root cause. If it does, it shows here.
Where does this come from?
Duo Security's official status page, https://status.duo.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.