| --- |
| title: "swarm unlock" |
| description: "The swarm unlock command description and usage" |
| keywords: "swarm, unlock" |
| --- |
| |
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| |
| # swarm unlock |
| |
| ```markdown |
| Usage: docker swarm unlock |
| |
| Unlock swarm |
| |
| Options: |
| --help Print usage |
| ``` |
| |
| ## Description |
| |
| 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. |
| |
| ## Examples |
| |
| ```bash |
| $ docker swarm unlock |
| Please enter unlock key: |
| ``` |
| |
| ## Related commands |
| |
| * [swarm ca](swarm_ca.md) |
| * [swarm init](swarm_init.md) |
| * [swarm join](swarm_join.md) |
| * [swarm join-token](swarm_join_token.md) |
| * [swarm leave](swarm_leave.md) |
| * [swarm unlock-key](swarm_unlock_key.md) |
| * [swarm update](swarm_update.md) |
