Optum incident

Resolved Notice: TES and PI users are impacted by Zscaler access issue

Major Resolved View vendor source →

Optum experienced a major incident on April 9, 2026 affecting TES Ambulatory, lasting 8m. The incident has been resolved; the full update timeline is below.

Started
Apr 09, 2026, 03:37 PM UTC
Resolved
Apr 09, 2026, 03:45 PM UTC
Duration
8m
Detected by Pingoru
Apr 09, 2026, 03:37 PM UTC

Affected components

TES Ambulatory

Update timeline

  1. 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

  2. resolved Apr 09, 2026, 03:45 PM UTC

    The Zscaler issue with MDIV/MMIS has been resolved. We appreciate your patience while being restored.