ZOLL Case Review - 401 errors preventing case downloads

Incident Report for ZOLLOnline

Resolved

Resolved: The issue impacting Case Review authentication has been resolved. Service is operating normally, and we have confirmed that the authentication errors have ceased. Thank you for your patience.
Posted Jul 24, 2026 - 11:12 MDT

Monitoring

Monitoring: We are seeing a significant reduction in authentication errors for Case Review following partner-side restarts. We are continuing to monitor the environment to ensure full stability and reaching out to partners to confirm downloads.
Posted Jul 24, 2026 - 09:48 MDT

Update

We have identified a specific error pattern related to how external requests are being processed by Case Review. We are working to isolate the exact malformed request data to provide a resolution. Our next update will be provided by 11:00 AM MT.
Posted Jul 23, 2026 - 22:58 MDT

Investigating

The initial fix attempt for the Case Review authentication issue did not perform as expected. Our engineering team has resumed investigation to identify an alternative resolution. We will provide our next update by 10:45 PM MT.
Posted Jul 23, 2026 - 22:10 MDT

Identified

Identified: We have identified the cause of the authentication errors impacting Case Review. A fix is currently being tested,
Posted Jul 23, 2026 - 21:46 MDT

Update

Investigating: We are continuing to investigate the authentication errors impacting Case Review. We will provide our next update by 9:45 PM MT.
Posted Jul 23, 2026 - 21:00 MDT

Investigating

Investigating: We are investigating an issue impacting Case Review, which may cause authentication errors (401) for SDK partners attempting to download cases. Our team is actively working to restore service. We will provide our next update by 9:00 PM MT.
Posted Jul 23, 2026 - 20:29 MDT
This incident affected: www.zollonline.com (RescueNet CaseReview/CodeWriter).