Do you use Duo Mobile for work, school, or to protect your personal accounts, like Instagram or Facebook? Check out the resources below for information on setting up and using Duo.
End-User Guide - Learn about enrollment, authentication prompts, adding devices, and more.
InfoSec Glossary - Learn common infosec terminology and clarify acronyms and other jargon.
Blog Articles - Learn more about how Duo works and what we're doing to secure your essential workflows.
Download Duo Mobile
Duo Mobile for Android
Duo Mobile for iOS
If you can’t find an answer to your question in our self-service resources, please work directly with your organization to get assistance. Only the team responsible for implementing Duo is authorized to help you enroll, activate, re-activate, or troubleshoot Duo-related issues.
Are you a Duo Administrator who manages Duo at your organization? Take a look at our collection of extensively-maintained self-service resources below.
Knowledge Base - Get answers to frequently asked questions.
Docs - Review our comprehensive product documentation.
Level Up Training - Get trained and certified as a Duo expert.
Help Desk Guide - Learn how to address common user concerns.
Community Forums - Connect with and learn from Duo administrators and security pros.
Release Notes (with email notification option)
Guide to Business Continuity Preparedness
We encourage you to reach out to us through any of the methods below. Our support team is with you every step of the way.
Initiate a case by clicking on the Support Panel in the sidebar of your admin dashboard.
Give a brief explanation of the issue you are facing and we will get back to you!
Use your regional support number as listed below to talk to a live agent.
United States
+1 (866) 760-4247
United Kingdom
+44 0800 3585 315
Australia
+61 (1300) 257 424
Belgium
+32 08 002 67 84
Denmark
+45 80 82 02 16
France
+33 0805 08 43 26
Germany
+49 0800 723 4790
India
+91 000 800 040 3672
Japan
+81 0800 170 5183
Netherlands
+31 0800 022 3681
Norway
+47 800 24 869
Singapore
+65 800 32 11 183
Spain
+34 900 839 077
Indonesia
+62 00 180332160351
Philippines
+63 1800 1320 0267
Taiwan
+866 0080 149 1148
Hong Kong
+852 800 938 751
Malaysia
+60 1800 812 899
Cisco Global Support
1 800 553 2447
9am-5pm Monday-Friday for all issues
24 hours, 7 days a week for critical severity issues
24 hours, 7 days a week, 365 days a year for all issues*
*For the holidays listed below, one or more of our regional teams may be unavailable. On those dates, we offer 24x7x365 for Critical and High-Severity issues only
January 1 - New Year’s Day*
January 2 - New Year’s Day (Observed)
January 16 - Martin Luther King Day
May 29 - Memorial Day
June 19 - Juneteenth
July 4 - Independence Day
September 4 - Labor Day
November 10 - Veteran's Day
November 23 - Thanksgiving Day
November 24 - Day After Thanksgiving
December 25 - Christmas Day
December 26 - Cisco Designated Holiday
January 1, 2024 - New Years Day
1 January - New Year's Day*
2 January 2023 - New Year's Day (Substitute)
7 April - Good Friday
10 April - Easter Monday
1 May - Early May bank holiday
8 May - Bank holiday (Coronation of King Charles III)
29 May - Spring bank holiday
28 August - Summer bank holiday
25 December - Christmas Day
26 December - Boxing Day
1 January 2024 - New Year's Day
1 January - New Year’s Day*
2 January - New Year's Day (Substitute)
26 January - Australia Day
7 April - Good Friday
8-9 April - Easter Weekend*
10 April - Easter Monday
25 April - Anzac Day
12 June - King's Birthday
2 October - Labour Day
25 December - Christmas Day
26 December - Boxing Day
1 January 2024 - New Year's Day
1 January - New Year's Day
2 January - New Year's Day
9 January - Coming Of Age Day
11 February - Foundation Day
23 February - Emperor's Day
21 March - Vernal Equinox Day
29 April - Showa Day
3 May - Constitution Day
4 May - Greenery Day
5 May - Children's Day
17 July - Marine Day
11 August - Mountain Day
18 September - Respect For The Aged Day
23 September - Autumnal Equinox
9 October - Sports Day
3 November - Culture Day
23 November - Labour Thanksgiving Day
1 January 2024 - New Year's Day
| Severity | Initial Response Time | Definition | Business Impact | What You Should Do |
|---|---|---|---|---|
|
Critical |
1 business hour |
Critical impact on the customer’s business operations. Cisco’s hardware, software or as a service product is down. |
High, outage prevents access to applications |
Call Duo Support directly |
|
High |
2 business hours |
Substantial impact on the customer’s business operation. Cisco hardware, software or as a service product is degraded. |
High, users may be unable to access applications |
Duo Care customers: call Duo Support directly |
|
Medium |
4 business hours |
Minimal impact on the customer’s business operations. Cisco hardware, software or as a service product is partially degraded. |
Medium-to-low |
|
|
Low |
1 business day |
No impact on the customer’s business operations. The customer requests information about features, implementation, or configuration for Cisco’s hardware, software, or as a service product. |
Minimal-to-none |
Get full coverage from Duo through extended support hours to quickly remediate any issues. Reach us in the way that is most convenient for you – phone, chat or email.
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