OpenText incident
Zix - Hosted Exchange Some users may receive Error 500 when accessing OWA
OpenText experienced a minor incident on October 7, 2026 affecting Zix Hosted Exchange, lasting 6h 3m. The incident has been resolved; the full update timeline is below.
Affected components
Zix Hosted Exchange
Update timeline
- investigating Oct 07, 2026, 01:53 PM UTC
Zix - Hosted Exchange some users are currently experiencing an issue accessing OWA, receiving an error 500. Teams are currently assembled and working to resolve the issue. We appreciate your patience. Tracking Number:
- monitoring Oct 07, 2026, 03:27 PM UTC
Zix - Hosted Exchange some users are currently experiencing an issue accessing OWA, receiving an error 500.. Service has been restored and is being validated. We appreciate your patience. Tracking Number: IM4013681
- monitoring Oct 07, 2026, 03:27 PM UTC
We are continuing to monitor for any further issues.
- resolved Oct 07, 2026, 07:56 PM UTC
This incident has been resolved.