--- title: "swarm unlock" description: "The swarm unlock command description and usage" keywords: "swarm, unlock" --- <!-- This file is maintained within the docker/docker Github repository at https://github.com/docker/docker/. Make all pull requests against that repo. If you see this file in another repository, consider it read-only there, as it will periodically be overwritten by the definitive file. Pull requests which include edits to this file in other repositories will be rejected. --> # swarm unlock ```markdown Usage: docker swarm unlock Unlock swarm Options: --help Print usage ``` Unlocks a locked manager using a user-supplied unlock key. This command must be used to reactivate a manager after its Docker daemon restarts if the autolock setting is turned on. The unlock key is printed at the time when autolock is enabled, and is also available from the `docker swarm unlock-key` command. ```bash $ docker swarm unlock Please enter unlock key: ``` ## Related information * [swarm init](swarm_init.md) * [swarm update](swarm_update.md)