How to Fix Cannot Connect to the Docker Daemon
Fix the 'Cannot connect to the Docker daemon' error: check the service is running, fix socket permissions, start Docker Desktop, and verify DOCKER_HOST.
Sysadmin Desk Jul 12, 2026 8 min read
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Fix the 'Cannot connect to the Docker daemon' error: check the service is running, fix socket permissions, start Docker Desktop, and verify DOCKER_HOST.
Install Docker Desktop on Windows 10 or 11 with the WSL2 backend: enable virtualization, run the installer, verify, and fix the common setup errors.