Grafana Troubleshooting Guides

Grafana errors can surface at the worst possible moments — during deployments, under peak traffic, or in the middle of critical operations. This collection of 4 troubleshooting guides covers the most common Grafana issues encountered in DevOps tooling, CI/CD pipelines, and infrastructure as code. Each article walks through specific error messages with step-by-step diagnosis, root cause analysis, and verified solutions. Whether you're dealing with configuration problems, authentication failures, timeout errors, or unexpected behavior, these guides are designed to get you from error message to resolution as quickly as possible. Solutions are backed by official documentation and real-world production experience.

Error Quick Reference

Article	Description
Fixing 'grafana connection refused': A Comprehensive Troubleshooting Guide	Diagnose and fix 'connection refused', timeouts, and 'out of memory' errors in Grafana. Step-by-step solutions for network, permission, and resource issues.
Fixing "Connection Refused" and Timeout Errors in Grafana: A Comprehensive Troubleshooting Guide	Resolve Grafana 'connection refused' and timeout errors. Learn to fix OOM crashes, permission denied issues, and reverse proxy misconfigurations step-by-step.
How to Fix Grafana Connection Refused: A Complete Troubleshooting Guide	Fix 'Grafana connection refused', out of memory, permission denied, and timeout errors with our complete troubleshooting guide for DevOps and SRE teams.
Troubleshooting Grafana Alertmanager: Fixing Sync Failures, Connection Drops, and Mimir/Loki Integration Errors	Comprehensive guide to fixing Grafana Alertmanager failures, including external Alertmanager sync issues, Grafana Cloud auth errors, and Mimir/Loki tenant misco