Microsoft 365 Alert : Service Degradation – Exchange Online – Contact item of shared mailboxes not visible for delegates when using Outlook on the web – RESOLVED
21/11/2022 15:40:00 PM (GMT)
NHSmail Reference : INC32879887
Microsoft Reference : EX467031
Issue Status : RESOLVED
Issue Description : Contact item of shared mailboxes not visible for delegates when using Outlook on the web. Users who are delegates for a shared mailbox are unable to view the contact item of the mailbox.
More info : Users who are delegates for a shared mailbox are unable to view the contact item of the mailbox.
Scope of impact : Impact is specific to some delegate users who are served through the affected infrastructure and attempting to view the contact item of shared mailboxes.
Final Update : 24/11/2022 11:35:00 AM – Microsoft has confirmed with the affected users that the deployment fix has been successful, and impact no longer persists.
Root cause : A recent service update intended to introduce a new feature inadvertently contains a code regression which is resulting in impact.
Next steps : Microsoft is reviewing their update procedures to better identify similar issues during our development and testing cycles.