StartRecommendations - Amazon Database Migration Service
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).


Starts the analysis of your source database to provide recommendations of target engines.

You can create recommendations for multiple source databases using BatchStartRecommendations.

Request Syntax

{ "DatabaseId": "string", "Settings": { "InstanceSizingType": "string", "WorkloadType": "string" } }

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.


The identifier of the source database to analyze and provide recommendations for.

Type: String

Required: Yes


The settings in JSON format that Fleet Advisor uses to determine target engine recommendations. These parameters include target instance sizing and availability and durability settings. For target instance sizing, Fleet Advisor supports the following two options: total capacity and resource utilization. For availability and durability, Fleet Advisor supports the following two options: production (Multi-AZ deployments) and Dev/Test (Single-AZ deployments).

Type: RecommendationSettings object

Required: Yes

Response Elements

If the action is successful, the service sends back an HTTP 200 response with an empty HTTP body.


For information about the errors that are common to all actions, see Common Errors.


Amazon DMS was denied access to the endpoint. Check that the role is correctly configured.

HTTP Status Code: 400


The resource is in a state that prevents it from being used for database migration.

HTTP Status Code: 400


The resource could not be found.

HTTP Status Code: 400

See Also

For more information about using this API in one of the language-specific Amazon SDKs, see the following: