Outage in ionos.co.uk
Authentication Error in Email Clients
Resolved MinorIncident Report
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.
Components affected
ionos.co.uk Microsoft ExchangeTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
5 days ago - at 06/11/2026 03:48PM
This incident has been resolved.
IDENTIFIED
5 days ago - at 06/11/2026 03:55AM
We are still working on resolving the technical issue. Thank you for your patience.
IDENTIFIED
6 days ago - at 06/10/2026 03:26PM
We have successfully minimised the disruption and are working to completely resolve it as soon as possible.
IDENTIFIED
6 days ago - at 06/10/2026 10:59AM
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.
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