cloud network_error ai_generated true

Health check failed: backend unhealthy

ID: cloud/load-balancer-health-check-failed

Also available as: JSON · Markdown
80%Fix Rate
84%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
any active — — —

Root Cause

Load balancer health check failing for backend instances.

generic

Workarounds

  1. 90% success Verify health check endpoint returns 200: /health or /healthz
  2. 88% success Check firewall rules allow health check source IPs

Dead Ends

Common approaches that don't work:

  1. Disable health checks 90% fail

    Routes traffic to dead backends

  2. Set health check to always return 200 85% fail

    No actual health validation