ionos.co.uk experienced a minor incident on June 10, 2026 affecting Microsoft Exchange, lasting 1d 4h. The incident has been resolved; the full update timeline is below.
Affected components
Microsoft Exchange
Update timeline
- identified Jun 10, 2026, 10:59 AM UTC
Due to technical disruption in our email systems, some customers may encounter authentication error in Microsoft Exchange Outlook. In the meantime, we recommend customers to use the OWA on https://exchange2019.ionos.co.uk/owa.
- identified Jun 10, 2026, 03:26 PM UTC
We have successfully minimised the disruption and are working to completely resolve it as soon as possible.
- identified Jun 11, 2026, 03:55 AM UTC
We are still working on resolving the technical issue. Thank you for your patience.
- resolved Jun 11, 2026, 03:48 PM UTC
This incident has been resolved.