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Microsoft blames massive Microsoft 365 outage on maintenance bug

·Source: BleepingComputer

Updated:

Executive Summary

Microsoft says a bug in its automated network maintenance request system caused Thursday's massive outage by mistakenly removing IP routes from more devices than intended, disrupting Azure and Microsoft 365 services. [...]

Analysis

Microsoft says a bug in its automated network maintenance request system caused Thursday's massive outage by mistakenly removing IP routes from more devices than intended, disrupting Azure and Microsoft 365 services. [...]
Source Attribution

Originally published by BleepingComputer on Jul 24, 2026.

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