Post Incident Review (PIR) – Network Connectivity – Multiple services impacted in Switzerland North
At a glance · Microsoft's status
ResolvedLasted 22 h 5 min
- Microsoft says it started
- · on Azure Status
- Earliest version we archived
- · our archive started 15:10 UTC
- Ended
- · marked resolved
- Edited
- Not since we first saw it
- Source
- Azure Status · checked 6 min ago
In short
Microsoft reported degraded service affecting Azure, starting 23:54 UTC on 26 Sep 2025. Microsoft marked it resolved at 21:59 UTC on 27 Sep 2025 after 22 h 5 min. Microsoft has since published a post-incident report.
Microsoft says
Microsoft's latest update, , in short excerpts.
Watch our 'Azure Incident Retrospective' video about this incident: https://aka.ms/AIR/BT6W-FX0
Timeline
Times in UTC, Microsoft's own where it gives them.
26 Sep 2025
MicrosoftMicrosoft says it startedon Azure Status
27 Sep 2025+22 h 5 min
MicrosoftResolved
13 Nov+412 days 15 h
MicrosoftEarliest version we archivedOur archive started 15:10 UTC; earlier versions were not recorded.
What Microsoft changed
Microsoft rewrites incident updates in place. We save every version (checked every minute) and list what changed. Quotes are short excerpts. The full current text is on Microsoft's page.
One version so far. If Microsoft edits it, each change shows here with what was removed and added.
First version we captured ·
As first seen: Post Incident Review
- Status
- Post Incident Review
Seen by us · Microsoft's page
Last updated