Optum incident
Resolved Notice: TES and PI users are impacted by Zscaler access issue
Major Vendor's status page →
Resolved after 8 minutes, affecting TES Ambulatory, on April 9, 2026.
The Zscaler issue with MDIV/MMIS has been resolved. We appreciate your patience while being restored.
Affected components
TES Ambulatory
Update timeline
- investigating Apr 09, 2026, 03:37 PM UTC
We are aware of the ZScaler issues with MDIV/MMIS. We are actively investigating the issue with the larger Optum/Zscaler team and will provide updates as soon as available. INC #INC49392819
- resolved Apr 09, 2026, 03:45 PM UTC
The Zscaler issue with MDIV/MMIS has been resolved. We appreciate your patience while being restored.
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