M365 Service Health Notification

Exchange Online service alert Incident information Title: All users can't open attachments from shared mailboxes ID: EX215833 Status Service Restored Details Title: All users can't open attachments from shared mailboxes User Impact: Users were unable to open attachments from shared mailboxes. More info: To ensure the fix takes effect, we recommend clearing your browser's cache. Final status: We've confirmed with various affected users that the issue has been resolved. Scope of impact: All users attempting to open attachments from shared mailboxes may have experienced impact. Start time: Monday, June 8, 2020, at 4:00 PM UTC End time: Thursday, June 11, 2020, at 9:31 PM UTC Preliminary root cause: The shared mailbox email address was not being added in the request to get the file attachment from the service, preventing users from opening attachments. Next steps: - We're reviewing our update procedures to better identify similar issues during our development and testing cycles. - We're analyzing our mitigation strategy to improve the speed in which we resolve the issue. We'll publish a post-incident report within five business days. Thank you, The Microsoft team To customize what's included in this email, who gets it, or to unsubscribe, set your Service health preferences. If you are receiving this email because your Admin added you as a recipient, please contact your Admin to unsubscribe. Microsoft respects your privacy. Review our online Privacy Statement. Microsoft Corporation One Microsoft Way Redmond, WA USA 98052