Microsoft 365 Alert – Service Degradation – Exchange Online – Users are unable to access their Exchange Online mailboxes through various connection methods – RESOLVED

23/06/2023 09:05:00 AM  (GMT)

NHSmail Reference : INC36576831

Microsoft Reference : EX602950

Issue Status : RESOLVED

Issue Description : Users are unable to access their Exchange Online mailboxes through various connection methods.

More info : Internet Message Access Protocol (IMAP) and Post Office Protocol (POP) connection protocols are impacted, resulting in sign in failures including but not limited to the Outlook desktop client.

While Microsoft are focused on remediation, users may be able to use Outlook on the web to access their mailboxes.

Final Update : 23/06/2023 16:19:00 PM –  Microsoft determined that this issue is a duplicate of another event. Please look for further updates in MO603795.

Scope of impact : Users serviced by the affected infrastructure attempting to access their Exchange Online mailboxes may be impacted.

Next Update By : Friday, June 23, 2023, at 6:30 AM UTC