docker: error during connect: no such host
This error matches known, documented patterns with reliable solutions.
Quick Fix (Most Common Solution)
- Start Docker daemon
- Check DOCKER_HOST environment variable
Seeing "docker: error during connect: no such host"? This error can be frustrating, but it's usually fixable. It typically affects your development workflow or system. Below you'll find clear, step-by-step solutions to resolve this issue.
What This Error Means
Docker client cannot find the Docker daemon host.
Frequently documented in developer and vendor support forums.
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Common Causes
- Docker not running
- DOCKER_HOST set incorrectly
- Remote Docker unreachable
How to Fix
- Start Docker daemon
- Check DOCKER_HOST environment variable
- Verify network connectivity
Last reviewed: March 2026 How we review solutions
Optional follow-up
Some users ask whether saving fixes for recurring errors would be useful when the same issue appears again.
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Frequently Asked Questions
How do I reset DOCKER_HOST?
Run unset DOCKER_HOST or remove from environment.
Where is Docker daemon?
Usually runs locally via socket at /var/run/docker.sock
Also Known As
- Docker container error
- Docker build failure
- Container runtime error
- Docker daemon error
Common Search Variations
- "docker container won't start"
- "docker build error fix"
- "docker image not found"
- "container exited with error"
- "docker daemon not responding"
- "fix docker network error"
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