Title: Some users may be unable to create new online meetings from shared calendar events in Exchange Online User impact: Users may be unable to create new online meetings from shared calendar events in Exchange Online. More info: Affected users can create online meetings from their personal calendars as an alternative method, and existing shared calendar events remain unaffected. Current status: We've identified that a recent service update in Exchange Online introduced an issue within an authorization component of the calendar service, resulting in impact. We're developing and validating a code fix to address the issue and will provide a deployment timeline once it becomes available. Scope of impact: Impact is specific to some users attempting to create new online meetings from shared calendar events in Exchange Online. Start time: Tuesday, May 26, 2026, at 12:00 AM UTC Root cause: A recent service update in Exchange Online introduced an issue within an authorization component of the calendar service, resulting in impact. Next update by: Monday, June 01, 2026, at 6:00 PM UTC
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Some users may be unable to create new online meetings from shared calendar events in Exchange Online
Exchange Online