How often does Duo go down?

Duo reported 3 incidents in the last 90 days (0 major or critical), with 0 minutes of major outage: 100% uptime.

When was the last Duo outage?

The latest reported incident started on Sep 3, 2026, 22:04 UTC: "Duo - Partial Hardware Token Authentication Issues - United States", resolved after 1 h 20 min.

How long do Duo outages last?

Half of Duo's incidents in the last 90 days were resolved within 2 h 12 min.

Duo outage history and status

Is Duo down right now?

All Systems Operational Official status as of Oct 26, 2026, 16:17 UTC (refreshing…)

100%

uptime, 90 days

incidents, 90 days

2 h 12 min

median time to fix

Sep 3, 2026

last incident

Duo components

DUO6

Admin Panel Operational

DUO66

Core Authentication Service Operational

DUO61

Core Authentication Service Operational

DUO45

Core Authentication Service Operational

DUO7

Core Authentication Service Operational

DUO52

Core Authentication Service Operational

DUO4

Core Authentication Service Operational

DUO16

Core Authentication Service Operational

DUO47

Core Authentication Service Operational

DUO73

Core Authentication Service Operational

DUO26

Core Authentication Service Operational

DUO30

Core Authentication Service Operational

DUO76

Core Authentication Service Operational

DUO24

Core Authentication Service Operational

DUO11

Core Authentication Service Operational

DUO8

Core Authentication Service Operational

DUO21

Core Authentication Service Operational

DUO17

Core Authentication Service Operational

DUO28

Core Authentication Service Operational

DUO14

Core Authentication Service Operational

DUO48

Core Authentication Service Operational

DUO19

Core Authentication Service Operational

DUO43

Core Authentication Service Operational

DUO29

Core Authentication Service Operational

DUO44

Core Authentication Service Operational

DUO55

Core Authentication Service Operational

DUO10

Core Authentication Service Operational

DUO46

Core Authentication Service Operational

DUO68

Core Authentication Service Operational

DUO78

Core Authentication Service Operational

DUO62

Core Authentication Service Operational

DUO41

Core Authentication Service Operational

DUO60

Core Authentication Service Operational

DUO32

Core Authentication Service Operational

DUO2

Core Authentication Service Operational

DUO22

Core Authentication Service Operational

DUO34

Core Authentication Service Operational

DUO18

Core Authentication Service Operational

DUO65

Core Authentication Service Operational

DUO56

Core Authentication Service Operational

DUO39

Core Authentication Service Operational

DUO37

Core Authentication Service Operational

DUO40

Core Authentication Service Operational

DUO67

Core Authentication Service Operational

DUO74

Core Authentication Service Operational

DUO75

Core Authentication Service Operational

DUO13

Core Authentication Service Operational

DUO77

Core Authentication Service Operational

DUO58

Core Authentication Service Operational

DUO20

Core Authentication Service Operational

DUO79

Core Authentication Service Operational

DUO72

Core Authentication Service Operational

DUO31

Core Authentication Service Operational

DUO80

Core Authentication Service Operational

DUO36

Core Authentication Service Operational

DUO9

Core Authentication Service Operational

DUO54

Core Authentication Service Operational

DUO38

Core Authentication Service Operational

DUO27

Core Authentication Service Operational

DUO70

Core Authentication Service Operational

Duo outage history

Duo incidents per month, last 12 months. Red: months with a major or critical outage. Shaded: before our complete history.

Started (UTC)	Incident	Impact	Duration
Sep 3, 2026, 22:04 UTC	Duo - Partial Hardware Token Authentication Issues - United States Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service	Minor	1 h 20 min
Aug 10, 2026, 20:34 UTC	New Signups Unavailable	No impact	2 h 12 min
Aug 8, 2026, 21:13 UTC	Duo Phone Call Authentication Failures - United States Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery	Minor	2 h 54 min
Jul 23, 2026, 18:02 UTC	VoIP and SMS Delivery Issues in Israel	Minor	4 days 2 h
Jul 7, 2026, 23:15 UTC	Duo - Phone call and SMS authentication issues - Australia Phone Call Delivery, SMS Message Delivery	Minor	15 h 46 min
Jun 23, 2026, 03:58 UTC	UAE Telephony SMS issue SMS Message Delivery	Minor	10 h 23 min
Jun 10, 2026, 14:17 UTC	AI Assistant Service Disruption in US-W1 AI Assistant, AI Assistant, AI Assistant, AI Assistant, AI Assistant, AI Assistant	Minor	1 h 18 min
May 18, 2026, 18:37 UTC	All US Deployments: AI Assistant failures AI Assistant, AI Assistant, AI Assistant, AI Assistant, AI Assistant, AI Assistant	Minor	1 h 53 min
May 13, 2026, 13:22 UTC	Authentication failures Core Authentication Service	Minor	2 h 41 min
May 7, 2026, 14:17 UTC	AI Assistant First-Time Access Failures for EU Administrators AI Assistant, AI Assistant, AI Assistant, AI Assistant, AI Assistant, AI Assistant	Minor	8 h 23 min
Apr 30, 2026, 17:54 UTC	Desktop Authenticator Enrollment Degradation Admin Panel, Admin Panel, Admin Panel, Admin Panel, Admin Panel, Admin Panel	Minor	13 min
Apr 28, 2026, 14:22 UTC	Elevated Authentication Latency in DUO6 Core Authentication Service	Major	1 h 03 min
Apr 18, 2026, 04:30 UTC	SMS Delivery Failures SMS Message Delivery, SMS Message Delivery, SMS Message Delivery, SMS Message Delivery, SMS Message Delivery, SMS Message Delivery	Major	2 h 40 min
Mar 22, 2026, 22:13 UTC	Duo Phone Call Authentication Failure for US Based Carriers	No impact	4 h 10 min
Mar 22, 2026, 17:18 UTC	Duo Phone Call Authentication Failure for US Based Carriers	No impact	3 h 15 min
Mar 2, 2026, 08:30 UTC	Service Outage on DUO81 Core Authentication Service, Admin Panel, Push Delivery, Phone Call Delivery, SMS Message Delivery, Cloud PKI	Critical	39 h 16 min
Mar 1, 2026, 13:29 UTC	Service degradation on DUO81 Core Authentication Service, Admin Panel, Push Delivery, Phone Call Delivery, SMS Message Delivery, Cloud PKI	Minor	3 h 10 min
Feb 23, 2026, 15:04 UTC	All Deployments - Entra 504 Gateway Timeouts Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service	Minor	2 h 48 min
Feb 23, 2026, 14:02 UTC	[US Deployments]: Duo Phone Call Authentication Failures for US Region Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery	Minor	4 h 18 min
Feb 19, 2026, 14:46 UTC	[Multiple Deployments] AI Assistant not available in India AI Assistant, AI Assistant, AI Assistant, AI Assistant, AI Assistant, AI Assistant	Minor	3 h 15 min
Feb 19, 2026, 14:35 UTC	[All Deployments] AI Assistant Outage for new users AI Assistant, AI Assistant, AI Assistant, AI Assistant, AI Assistant, AI Assistant	Minor	7 h 57 min
Feb 18, 2026, 18:28 UTC	[All Deployments] AI Assistant Outage for new users AI Assistant, AI Assistant, AI Assistant, AI Assistant, AI Assistant, AI Assistant	Minor	7 h 03 min
Feb 4, 2026, 18:55 UTC	All Deployments: Duo Enrollment URL Session Expired Errors Admin Panel, Admin Panel, Admin Panel, Admin Panel, Admin Panel, Admin Panel	No impact	6 h 16 min
Jan 22, 2026, 18:36 UTC	[DUO4] Authentication Failures Core Authentication Service	Major	1 h 42 min
Jan 21, 2026, 21:38 UTC	All Deployments: Authentication Failures for Newly Created MSP Sub-Accounts Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service	Minor	1 h 54 min

50 incidents in our archive since July 17, 2025.

When and where Duo fails

By weekday

Most incidents start on Wed.

Mon10
Tue9
Wed11
Thu11
Fri4
Sat2
Sun3

Most affected, last 12 months

Core Authentication Service8
AI Assistant6
Phone Call Delivery5
SMS Message Delivery5
Admin Panel4
Cloud PKI2
Push Delivery2
SSO2

When Duo went down with others

Sep 3, 2026, 21:28 UTC 21 services reported incidents within the hour
Jul 23, 2026, 18:02 UTC 14 services reported incidents within the hour
Apr 28, 2026, 14:07 UTC 14 services reported incidents within the hour

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FAQ

Is Duo down right now?: At our last check Duo's official status page reported: All Systems Operational. This page refreshes the status every few minutes.
How often does Duo go down?: Duo reported 3 incidents in the last 90 days (0 major or critical), with 0 minutes of major outage: 100% uptime.
When was the last Duo outage?: The latest reported incident started on Sep 3, 2026, 22:04 UTC: "Duo - Partial Hardware Token Authentication Issues - United States", resolved after 1 h 20 min.
How long do Duo outages last?: Half of Duo's incidents in the last 90 days were resolved within 2 h 12 min.

Source: Duo official status page · RSS of Duo incidents · status badge for your site