Minor incident

OpenText: Zix - Hosted Exchange Some users may receive Error 500 when accessing OWA

Affected: Zix Hosted Exchange

Current status of OpenText: Partial outage — live OpenText status

Timeline

1. Oct 7, 2026, 13:53 UTC
   investigating
   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: IM4013681
2. Oct 7, 2026, 15:27 UTC
   monitoring
   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
3. Oct 7, 2026, 15:27 UTC
   monitoring
   We are continuing to monitor for any further issues.
4. Oct 7, 2026, 19:56 UTC
   resolved
   This incident has been resolved.

Updates as published by OpenText (original).