Exchange Online outage causes email delays, 'Server busy' errors
Microsoft is working to resolve an ongoing Exchange Online outage that is delaying email sent to and received from external domains. [...]
Exchange Online outage causes email delays, 'Server busy' errors
Description
Microsoft is working to resolve an ongoing Exchange Online outage that is delaying email sent to and received from external domains. [...]
Technical Details
- Classification
- {"confidence":0.3,"severitySource":"heuristic","classifier":"rss-v2"}
Threat ID: 6a9abf03acd9273b499a1b1d
Added to database: 09/04/2026, 12:52:19 UTC
Last updated: 09/05/2026, 00:30:35 UTC
Views: 17
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