# Mode: Major incident: O365 users unable to log in

> Major incident: O365 users unable to log in. Detected 2026-11-04 by Rewindex: what changed on Mode’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/idaa564808cc62d
Last updated: 2026-11-04T08:53:48Z

**Summary:** _summary pending_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2024-12-23 23:44 UTC · Detected: 2026-11-04 08:53 UTC
- [Source: https://status.modeanalytics.com/incidents/rhs2y6myl7kd](https://status.modeanalytics.com/incidents/rhs2y6myl7kd)
- [Company: Mode](https://rewindex.com/company/mode.md)
- Versions: before (none: first archived) → after incident\_version:72/rhs2y6myl7kd@6222951a1b6b
- Change 1 of 1 for this incident

Incident page (full timeline): [O365 users unable to log in](https://rewindex.com/company/mode/incidents/rhs2y6myl7kd.md)
## What changed

**1. Added: Title**

```diff
+ O365 users unable to log in
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-12-23 23:44 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-12-23 23:44 UTC
```

**6. Added: Affected components**

```diff
+ Third Party Dependency
```

**7. Added: Update** (investigating) · 2024-12-23 18:34 UTC

```diff
+ Our Engineers are aware of and investigating an issue preventing O365 users from successfully logging in.
```

**8. Added: Update** (identified) · 2024-12-23 19:56 UTC

```diff
+ We have identified the root issue and are working on a solution.
```

**9. Added: Update** (resolved) · 2024-12-23 23:44 UTC

```diff
+ Our Engineers have implemented a fix. We believe the issue is now resolved. Please reach out to support@mode.com if you have any questions.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-12-23 23:44 UTC | Major incident: O365 users unable to log in (this change) | outage |

All Mode changes: [timeline](https://rewindex.com/company/mode/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._

## Cite this

Major incident: O365 users unable to log in on Mode’s status page, changed 2024-12-23 23:44 UTC (change 1 of 1).

- Canonical URL: https://rewindex.com/change/idaa564808cc62d
- Citation: Mode, “Major incident: O365 users unable to log in” (2024-12-23 23:44 UTC). Archived by Rewindex: https://rewindex.com/change/idaa564808cc62d (CC BY 4.0).
- Markdown link: `[Mode: Major incident: O365 users unable to log in (2024-12-23)](https://rewindex.com/change/idaa564808cc62d)`


---
Canonical: https://rewindex.com/change/idaa564808cc62d · Markdown: https://rewindex.com/change/idaa564808cc62d.md · JSON: https://rewindex.com/api/v1/changes/idaa564808cc62d · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:33:51.740Z