Monday June 1, 2026
An issue with the Mailbox Replication Service specifically caused an increase in latency and impact.
Impact was specific to some users located in Canada attempting to access their mailbox through any of the connection methods.
Monday June 1, 2026
Users may be unable to access Exchange Online using multiple connection methods.
The mailbox hosting infrastructure isn’t processing requests as efficiently as expected
Some users may be impacted. ITS is actively monitoring the issue and will provide updates as more information becomes available.