Title: Users may receive a “cannot create folder” message when creating public folders in the Outlook desktop client
User impact: Users may receive a “cannot create folder” message when creating public folders in the Outlook desktop client.
Current status: We’re continuing to monitor as our fix’s saturation progresses, and we anticipate that it will complete and resolve impact by Wednesday, October 18, 2023.
Scope of impact: Any user served through the affected infrastructure may receive a message stating “cannot create the folder” when creating public folders in the Outlook desktop client.
Start time: Monday, September 25, 2023, at 6:30 AM UTC
Root cause: A recent update, intended to optimize mailbox folder hierarchy syncing, exacerbated a corruption within the process by which primary and secondary mailboxes are synced, leading to impact.
Next update by: Tuesday, October 17, 2023, at 5:00 PM UTC
