Microsoft 365 Alert – Service Degradation – Exchange Online – Some users may be unable to send emails to recipients within their contact list using Outlook on the web – ONGOING

Announcements Sourav Nandi

23/05/2023 16:15:00 PM (GMT)

NHSmail Reference : INC36002396

Microsoft Reference : EX559481

Issue Status : ONGOING

Issue Description : Some users may be unable to send emails to recipients within their contact list using Outlook on the web.

More Info : When affected users select a contact list as the recipient from ‘My Contacts’, the following error message appears, and the email cannot be sent: ‘This message can’t be sent right now. Please try again later’.

Current Update : 29/05/2023 08:51:00 AM – The fix has saturated to approximately 56 precent of the affected infrastructure. Microsoft will continue to monitor this process to ensure it completes successfully and we suspect that the issue will be resolved by their next scheduled update.

Scope of impact : This issue may affect any user attempting to send email after adding a contact list as a recipient using Outlook on the web.

Root cause : A recent routine service change intended to update a portion of the Outlook on the web backend infrastructure code has resulted in impact.

Next update by : Tuesday, May 30, 2023, at 7:00 PM UTC