Amazon Web Services (AWS) outage on Jul 16, 2026

What happened

Amazon Web Services (AWS) reported a partial outage starting Jul 16, 2026, 08:44 UTC, affecting cloudfront. It was marked resolved at Jul 16, 2026, 12:21 UTC.

• The incident lasted 3h 38m from first report to resolution.
• It was the 3rd longest of 3 significant outages Amazon Web Services (AWS) reported in the 12 months up to it.
• Amazon Web Services (AWS) had reported no other partial or major outages in the 90 days before it.
• 12 other vendors we track reported a significant incident within 12 hours of it.

Latest update from Amazon Web Services (AWS)

Between 12:45 AM and 4:18 AM PDT, we experienced increased 5xx errors for CloudFront customers utilizing VPC Origins connectivity. Our engineers were automatically engaged and immediately began investigating the root cause. By 2:57 AM PDT, we identified the root cause of the issue as an internal constraint on the fleet that manages connections to private VPC origins. When this constraint was reached, the system responsible for distributing routing configuration to our network processors failed to load the updated configuration data correctly, affecting routing of VPC Origin connections. At 3:52 AM PDT, we took multiple mitigation actions that led to to full recovery at 4:18 AM PDT. Now that the issue has been mitigated, customers who temporarily changed their origin type can safely revert these changes. Customers utilizing other origin types were not affected by this issue. The issue has been resolved and the service is operating normally.

Read Amazon Web Services (AWS)'s official incident report ↗

What our independent monitoring saw

Our independent monitoring of Amazon Web Services (AWS) started after this incident, so this report is based on Amazon Web Services (AWS)'s status page.

Other outages around the same time

Significant incidents other vendors reported within 12 hours of this one.

• Partial outageLiquid WebJul 15, 2026, 21:35 UTC

  Apache Service Disruption Following ModSecurity Update

• Partial outageGoogle CloudJul 15, 2026, 23:57 UTC

  Google Cloud VMware Engine (GCVE), Google Cloud NetApp Volumes, and Bare Metal Solutions (BMS) services are experiencing a service outage in europe-west4-a due to a cooling failure.

• Partial outageBigCommerceJul 16, 2026, 00:39 UTC

  Payment issues with Cybersource V2 provider

• Major outageFronteggJul 16, 2026, 08:06 UTC

  Service Outage

• Partial outageWorkOSJul 16, 2026, 08:26 UTC

  Elevated Platform Errors

• Major outageFusionAuth CloudJul 16, 2026, 08:29 UTC

  Investigating outage affecting multiple regions

• Major outageincident.ioJul 16, 2026, 08:32 UTC

  Issues affecting login with SAML

• Partial outageVercelJul 16, 2026, 08:39 UTC

  SAML Single Sign-On (SSO) errors

• Partial outageAmazon CloudFrontJul 16, 2026, 08:44 UTC

  Increased 5xx Errors

• Major outageClinikoJul 16, 2026, 08:47 UTC

  Cliniko loading issues

• Major outageCleverTapJul 16, 2026, 08:59 UTC

  Data Ingestion Global Outage

• Major outageIterableJul 16, 2026, 09:27 UTC

  Iterable Application Issues in US Datacenter

Amazon Web Services (AWS)'s overall reliability

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