# Retry a policy

**POST /{index}/_ilm/retry**

Retry running the lifecycle policy for an index that is in the ERROR step.
The API sets the policy back to the step where the error occurred and runs the step.
Use the explain lifecycle state API to determine whether an index is in the ERROR step.

## Required authorization

* Index privileges: `manage_ilm`



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


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


## Parameters

### Path parameters
- **index** (string)
  The name of the indices (comma-separated) whose failed lifecycle step is to be retry



## 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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