---
title: "Is Duo Core Authentication Service down? Duo Core Authentication Service status"
url: "https://www.openstatus.dev/status/duo/core-authentication-service-14"
description: "Live Duo Core Authentication Service status, uptime over the last 45 days and recent incidents, tracked by openstatus."
---

# Is Duo Core Authentication Service down?

**Answer:** No, Duo Core Authentication Service is not down. All Duo Core Authentication Service systems are operational.

- Status: operational
- Checked: 2026-11-07T02:10:02Z
- User reports in the last 15 minutes: 0
- Part of: [Duo](/status/duo.md) / DUO11
- Official status page: https://status.duo.com
- About: HTTPS (tcp/443) and LDAP(S) (tcp/389, tcp/636) endpoints used for authentication.

## Last 45 days

2 of 2 tracked days without issues.

## Incidents affecting Core Authentication Service

| Started | Incident | Impact | Duration |
| --- | --- | --- | --- |
| 2026-02-23 | [All Deployments - Entra 504 Gateway Timeouts](https://stspg.io/7vb8y4jjt0fy) | minor | 2h 48m |
| 2026-01-21 | [All Deployments: Authentication Failures for Newly Created MSP Sub-Accounts](https://stspg.io/nb6y4p5qz2r5) | minor | 1h 54m |
| 2025-10-15 | [\[All Deployments\] Duo Desktop not being recognized on Windows 11 24H2/25H2](https://stspg.io/mj2k66xr7vzf) | minor | 7h 42m |
| 2025-08-29 | [Blank Duo Prompt issue impacting users authenticating from both Chrome and Edge version 136 browsers and Epic Hyperdrive](https://stspg.io/rvtbcm6c9c51) | incident | 11h 33m |

## Links

- HTML page: /status/duo/core-authentication-service-14
- Service: /status/duo.md