Duo Security

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Managing Users

Connect with other Duo members and pick up tips on how to create, edit, and manage Duo users.

429 Posts

Managing Devices

Share tips on managing device authentication methods. Stay current on device management and learn fr...

261 Posts

Duo Mobile App

Find best practices and discover troubleshooting tips for Android, iOS, and more.

281 Posts

Managed Service Provider

A public forum for managed service providers to discuss Duo. Please use msp@duo.com for any program,...

38 Posts

APIs

A public forum for all your questions about Duo’s API. Troubleshoot API issues and learn from our co...

233 Posts

Duo Level Up Forum

Dedicated to Duo’s Level Up, our customer education training platform.

33 Posts

Deployment Strategy

Browse deployment advice, strategies and issues our community has identified and resolved.

91 Posts

Duo Release Notes

Stay up to date on new features and product changes with the Duo Community Product Release Notes for...

264 Posts

Activity in Duo Security

Removing a user flagged as 'synced', but no sync configured

Hello,I'm trying to remove a user but I'm getting an error saying that the user is "not deleted because they are managed by Directory Sync." The account has clearly been flagged as synced even though I have the free plan and always have. I'm not sure...

MoCoffee by Level 1
  • 104 Views
  • 2 replies
  • 0 Helpful votes

Duo Two-Factor RADIUS Authentication for Cisco ISE

Hi all, I’m working on a lab setup to test Duo MFA integration with Cisco ISE for admin access to the Web GUI. My environment is entirely virtual and consists of the following three virtual machines: Active Directory (AD) – Windows Server with users...

puneeth-s by Level 1
  • 75 Views
  • 0 replies
  • 0 Helpful votes

40102: 'Invalid integration key in request credentials' ('')

Hi Madam/Sir, Would you suggest the how to solve Duo API Error 40102: ‘Invalid integration key in request credentials’ (’’) iam new to Duo. gone through the document and follow the same.create the Duo security account and validate MFA all are good.an...

DUO authenticates without 2FA

I am using AWS Managed Microsoft Active Directory for authentication management. I have set up a RADIUS server and linked it with Duo for 2FA.The authentication process requires a username and password, followed by a 2FA prompt from Duo, which then s...

D314 Duo Release Notes for May 9, 2025

Hello everyone! Here are the release notes for our most recent updates to Duo.  Public release notes are published on the Customer Community every other Friday, the day after the D-release is completely rolled out to commercial deployments. You can s...

group-list_2x.png group-details_2x.png create-new-group_2x.png What's New.png
Rick Wong by Cisco Employee
  • 942 Views
  • 2 replies
  • 1 Helpful votes

About the Duo device health check function

I have a few questions for implementing device health features. The current test configuration is as follows. asa vpn(secure client) - ise(3.3) - duo cloud(native mfa) When connecting to the vpn, 2fa authentication was completed through duo mobile. -...

FortiGate IPSec RAVPN, Cisco ISE and Cisco DUO

HelloI have FG as internet FW, and We have SSL RAVPN with radius server Cisco ISE and MFA cisco DUO.Now we migrated from SSL to RAVPN IPSec, I tested with ISE, it working normally but when use Cisco DUO I have an issue as below:   Event 5400    Authe...

Screenshot 2025-05-14 at 14.03.18.png
Ib_Reda by Level 1
  • 86 Views
  • 0 replies
  • 0 Helpful votes

Duo Mobile App crashes every time

Every time I try to open Duo Mobile app, it immediately crashes.Reproduction steps1. Click Duo MobileExpected: Duo Mobile app starts.Actual: The Duo Mobile icon shows the normal "app is opening animation" (icon is enlarged), but no app window is ever...

JohanM by Level 1
  • 126 Views
  • 0 replies
  • 0 Helpful votes

Not getting push notifications in duo mobile occasionally

HelloWe are running duo 2fa for accessing our vpn and occasionally some users never receive the push but Cisco Secure connect get them into vpn normally.We use duo proxy server and Firepower 1140 with FMC. both are located in the same network in a co...

kkaridas by Level 1
  • 155 Views
  • 0 replies
  • 0 Helpful votes

Duo Active Directory User Sync fails sporadically

Hello,I started to notice that the Duo Active Directory User Sync is failing sporadically (from Automatic sync frequency jobs). The manual sync works fine and the next Automatic sync frequency ones work as well. The reason on the logs is " Sync cance...

amelo@ by Level 1
  • 195 Views
  • 3 replies
  • 0 Helpful votes

Installing on Linux

I am trying to install Duo on my Wazuh OVA(Amazon Linux 2023) with the directions found on Duo, but when installing pam-devel I get a 404 for https://pkg.duosecurity.com/AmazonLinux/2023.6.20250317/x86_64/repodata/repomd.xml (IP:3.170.152.60).

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