Microsoft Exchange Online outage affects Outlook web users
ID: 62e46868-b7dd-539a-bead-29000aad6a7b
STIX ID: report--62e46868-b7dd-539a-bead-29000aad6a7b
Feed Name: Bleeping Computer
Microsoft reported an Outlook on the web and Exchange Online service outage caused by a code regression from a recent configuration update, leading to access errors and search failures; the company reverted the change, observed recovery in service health telemetry, and declared the issue resolved, while a separate week-long mail delivery issue affecting a subset of messages continued under investigation (Admin Center incidents EX1036356, EX1035922, EX1027675, EX1030895).
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