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Optum Outage History

Every past Optum outage tracked by IsDown, with detection times, duration, and resolution details.

There were 161 Optum outages since February 2024. The 78 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Major April 20, 2026

April 2026: Resolved Notice - NM CONTRACT MANAGER - Service Disruption

Detected Apr 20, 2026 10:27 AM EDT · Resolved Apr 20, 2026 12:44 PM EDT · Duration about 2 hours

Optum's Contract Manager experienced a connectivity issue that prevented users from accessing the application, including staff who were unable to log in through vendor sites. The 2.3-hour outage was resolved by unblocking affected system components and stabilizing the environment, with a permanent fix being deployed to address an underlying security vulnerability.

Major April 14, 2026

April 2026: Resolved Notice - MEDICAL NETWORK PAYER CONNECTIVITY SERVICES - Medical Network PCS real‑time processing is down.

Detected Apr 14, 2026 4:47 AM EDT · Resolved Apr 14, 2026 8:36 AM EDT · Duration about 4 hours

Optum's Medical Network Payer Connectivity Services experienced a complete real-time processing outage that made all real-time transactions unavailable for 3.8 hours. The incident was caused by missing components in the system. Engineering teams resolved the issue by restoring the missing components through an approved emergency action, which restored real-time transaction processing.

Major April 3, 2026

April 2026: Update Notice: Central Services EPR is facing slow response time

Detected Apr 3, 2026 11:47 AM EDT · Resolved Apr 3, 2026 1:42 PM EDT · Duration about 2 hours

Optum's Enterprise Pharmacy System (EPR) experienced slow response times for 1.9 hours due to issues with the Central Services Database. The problem was resolved through a database failover process, which required a brief outage during the fix.

Major April 3, 2026

April 2026: Initial Notice: Central Services EPR is facing slow response time

Detected Apr 3, 2026 11:06 AM EDT · Resolved Apr 3, 2026 11:46 AM EDT · Duration 40 minutes

Optum's Central Services EPR experienced slow response times for 40 minutes, affecting the Exchange Dx component. The service degradation was actively investigated and resolved without further details on the root cause or specific remediation steps.

Major March 20, 2026

March 2026: Resolved Notice: RCMFO CLEARANCE estimator is down

Detected Mar 20, 2026 10:54 AM EDT · Resolved Mar 20, 2026 7:43 PM EDT · Duration about 9 hours

The Optum RCMFO CLEARANCE estimator experienced a complete outage that affected all customers for 8.8 hours. The system was completely unavailable during this period, preventing customers from accessing estimator functionality. The issue was resolved and normal service was restored.

Minor March 18, 2026

March 2026: Resolved notice - ACCUREG - ENGAGECARE PROVIDER - EngageCare Provider users are unable to login to the application intermittently

Detected Mar 18, 2026 9:56 AM EDT · Resolved Mar 18, 2026 2:42 PM EDT · Duration about 5 hours

EngageCare Provider users experienced intermittent login failures preventing access to the application. The issue affected customer authentication for approximately 4.8 hours. The login problems were resolved and normal service was restored.

Minor March 14, 2026

March 2026: Update Notice - RXNS ERX - Critical connectivity issue affecting transactions routed to Prime Therapeutics / Magellan.

Detected Mar 14, 2026 1:01 PM EDT · Resolved Mar 14, 2026 3:42 PM EDT · Duration about 3 hours

Optum experienced a critical connectivity issue that prevented successful claim processing for transactions routed to Prime Therapeutics/Magellan, causing connection-to-payer errors for multiple BIN numbers (022659, 009737/011503, and 002286). The incident lasted 2.7 hours while Optum teams worked with the payer to restore connectivity. The issue was resolved and connectivity was restored, with users advised to resubmit any impacted claims.

Major March 9, 2026

March 2026: Resolved Notice: RECAST CLAIM FORMATTER - Firewall access issue due to IP change from static to dynamic.

Detected Mar 9, 2026 3:44 PM EDT · Resolved Mar 10, 2026 9:49 AM EDT · Duration about 18 hours

Optum's Recast Claim Formatter service experienced a major outage for 18.1 hours due to a weekend infrastructure change that recreated a virtual machine with a new private IP address, causing firewall access issues since the firewall was configured for the previous IP. The incident affected users inconsistently, with some experiencing issues while others remained unaffected. The service was restored after the team updated firewall configurations and performed rolling restarts.

Minor March 7, 2026

March 2026: Update Notice- Central service WSO2- facing issues with traffic routed through WSO2

Detected Mar 7, 2026 2:07 PM EST · Resolved Mar 7, 2026 9:28 PM EST · Duration about 7 hours

Optum's WSO2 central service experienced traffic routing issues for 7.4 hours, impacting the Enterprise Pharmacy System and preventing users from searching prescribers, performing DEA validation, and accessing various APIs. The service began showing improvement after several hours of investigation, and the incident was fully resolved after restarting WSO2 to clear failed connections and monitoring performance while working with affected customers.