Our suppliers will be carrying out maintenance to the KLE from 13:00 on Friday 12th September to 01:00 on Saturday 13th September. During this time there could be times when the KLE is unavailable.
Past Incidents
18th July 2023
Microsoft O365Some users may be unable to send Exchange Online email
This issue should now be resolved.
From MS: "We’ve identified that a change to the free/busy infrastructure resulted in impact to the Exchange online mail flow infrastructure. We’re identifying a plan to mitigate impact and restore mail flow."
Affected users may receive the following error "503 5.5.1 bad sequence of commands"
