OpenText experienced a major incident on June 10, 2026 affecting Zix Hosted Exchange, lasting 23h 58m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jun 10, 2026, 09:39 PM UTC
We want to inform you of a recent service disruption affecting Outlook connectivity to our Exchange environment. Earlier today, during routine maintenance, some users experienced issues connecting to Outlook. Upon identifying the cause, our team promptly rolled back changes, which has resolved the issue. Service has now been fully restored, and Outlook connectivity is functioning normally. Tracking Number: IM3942421
- monitoring Jun 10, 2026, 09:39 PM UTC
We want to inform you of a recent service disruption affecting Outlook connectivity to our Exchange environment. Earlier today, during routine maintenance, some users experienced issues connecting to Outlook. Upon identifying the cause, our team promptly rolled back changes, which has resolved the issue. Service has now been fully restored, and Outlook connectivity is functioning normally. Tracking Number: IM3942421
- resolved Jun 11, 2026, 09:37 PM UTC
Zix Hosted Exchange experienced was unavailable for some users connecting via Outlook. Service has been restored and is now being validated. We appreciate your patience. Tracking Number: IM3942421