# Start the ILM plugin

**POST /_ilm/start**

Start the index lifecycle management plugin if it is currently stopped.
ILM is started automatically when the cluster is formed.
Restarting ILM is necessary only when it has been stopped using the stop ILM API.

## Required authorization

* Cluster privileges: `manage_ilm`



## Servers
- http://api.example.com: http://api.example.com ()


## Authentication methods
- Api key auth
- Basic auth
- Bearer auth


## Parameters


### Query parameters
- **master_timeout** (string)
  Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.
- **timeout** (string)
  Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.


## Responses
### 200


#### Body: application/json (object)
- **acknowledged** (boolean)
  For a successful response, this value is always true. On failure, an exception is returned instead.


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