CreateReplicationConfig - AWS Database Migration Service


Creates a configuration that you can later provide to configure and start an AWS DMS Serverless replication. You can also provide options to validate the configuration inputs before you start the replication.

Request Syntax

{ "ComputeConfig": { "AvailabilityZone": "string", "DnsNameServers": "string", "KmsKeyId": "string", "MaxCapacityUnits": number, "MinCapacityUnits": number, "MultiAZ": boolean, "PreferredMaintenanceWindow": "string", "ReplicationSubnetGroupId": "string", "VpcSecurityGroupIds": [ "string" ] }, "ReplicationConfigIdentifier": "string", "ReplicationSettings": "string", "ReplicationType": "string", "ResourceIdentifier": "string", "SourceEndpointArn": "string", "SupplementalSettings": "string", "TableMappings": "string", "Tags": [ { "Key": "string", "ResourceArn": "string", "Value": "string" } ], "TargetEndpointArn": "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.


Configuration parameters for provisioning an AWS DMS Serverless replication.

Type: ComputeConfig object

Required: Yes


A unique identifier that you want to use to create a ReplicationConfigArn that is returned as part of the output from this action. You can then pass this output ReplicationConfigArn as the value of the ReplicationConfigArn option for other actions to identify both AWS DMS Serverless replications and replication configurations that you want those actions to operate on. For some actions, you can also use either this unique identifier or a corresponding ARN in action filters to identify the specific replication and replication configuration to operate on.

Type: String

Required: Yes


Optional JSON settings for AWS DMS Serverless replications that are provisioned using this replication configuration. For example, see Change processing tuning settings.

Type: String

Required: No


The type of AWS DMS Serverless replication to provision using this replication configuration.

Possible values:

  • "full-load"

  • "cdc"

  • "full-load-and-cdc"

Type: String

Valid Values: full-load | cdc | full-load-and-cdc

Required: Yes


Optional unique value or name that you set for a given resource that can be used to construct an Amazon Resource Name (ARN) for that resource. For more information, see Fine-grained access control using resource names and tags.

Type: String

Required: No


The Amazon Resource Name (ARN) of the source endpoint for this AWS DMS Serverless replication configuration.

Type: String

Required: Yes


Optional JSON settings for specifying supplemental data. For more information, see Specifying supplemental data for task settings.

Type: String

Required: No


JSON table mappings for AWS DMS Serverless replications that are provisioned using this replication configuration. For more information, see Specifying table selection and transformations rules using JSON.

Type: String

Required: Yes


One or more optional tags associated with resources used by the AWS DMS Serverless replication. For more information, see Tagging resources in AWS Database Migration Service.

Type: Array of Tag objects

Required: No


The Amazon Resource Name (ARN) of the target endpoint for this AWS DMS serverless replication configuration.

Type: String

Required: Yes

Response Syntax

{ "ReplicationConfig": { "ComputeConfig": { "AvailabilityZone": "string", "DnsNameServers": "string", "KmsKeyId": "string", "MaxCapacityUnits": number, "MinCapacityUnits": number, "MultiAZ": boolean, "PreferredMaintenanceWindow": "string", "ReplicationSubnetGroupId": "string", "VpcSecurityGroupIds": [ "string" ] }, "ReplicationConfigArn": "string", "ReplicationConfigCreateTime": number, "ReplicationConfigIdentifier": "string", "ReplicationConfigUpdateTime": number, "ReplicationSettings": "string", "ReplicationType": "string", "SourceEndpointArn": "string", "SupplementalSettings": "string", "TableMappings": "string", "TargetEndpointArn": "string" } }

Response Elements

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

The following data is returned in JSON format by the service.


Configuration parameters returned from the AWS DMS Serverless replication after it is created.

Type: ReplicationConfig object


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


AWS 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 subnet provided isn't valid.

HTTP Status Code: 400


AWS DMS cannot access the KMS key.

HTTP Status Code: 400


The replication subnet group does not cover enough Availability Zones (AZs). Edit the replication subnet group and add more AZs.

HTTP Status Code: 400


The resource you are attempting to create already exists.

HTTP Status Code: 400


The resource could not be found.

HTTP Status Code: 400


The quota for this resource quota has been exceeded.

HTTP Status Code: 400



This example illustrates one usage of CreateReplicationConfig.

Sample Request

POST / HTTP/1.1 Host: dms.<region>.<domain> x-amz-Date: <Date> Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=contenttype;date;host;user-agent;x-amz-date;x-amz-target;x-amzn-requestid,Signature=<Signature> User-Agent: <UserAgentString> Content-Type: application/x-amz-json-1.1 Content-Length: <PayloadSizeBytes> Connection: Keep-Alive X-Amz-Target: AmazonDMSv20160101.CreateReplicationConfig { "ReplicationConfigIdentifier":"test-replication-config", "SourceEndpointArn":"arn:aws:dms:us-east-1:123456789012:endpoint:RZZK4EZW5UANC7Y3P4E776WHBE", "TargetEndpointArn":"arn:aws:dms:us-east-1:123456789012:endpoint:GVBUJQXJZASXWHTWCLN2WNT57E", "ComputeConfig": "{\"MaxCapacityUnits\":2}", "ReplicationType": "full-load", "TableMappings":"{\n \"TableMappings\": [ \n {\n \"Type\": \"Include\",\n \"SourceSchema\": \"/\", \n \"SourceTable\": \"/ \"\n }\n ]\n }\n\n", "ReplicationTaskSettings":"", "Tags":[ { "Key":"", "Value":"" } ] }

Sample Response

HTTP/1.1 200 OK x-amzn-RequestId: <RequestId> Content-Type: application/x-amz-json-1.1 Content-Length: <PayloadSizeBytes> Date: <Date> { "ReplicationConfigIdentifier":"test-replication-config", "ReplicationConfigArn":"arn:aws:dms:us-east- 1:123456789012:replication-config:UX6OL6MHMMJKFFOXE3H7LLJCMEKBDUG4ZV7DRSI", "SourceEndpointArn":"arn:aws:dms:us-east- 1:123456789012:endpoint:RZZK4EZW5UANC7Y3P4E776WHBE", "TargetEndpointArn":"arn:aws:dms:us-east- 1:123456789012:endpoint:GVBUJQXJZASXWHTWCLN2WNT57E", "ReplicationConfigCreateTime":1677683717.524, "TableMappings":"{\n \"TableMappings\": [ \n {\n \"Type\": \"Include\",\n \"SourceSchema\": \"/\", \n \"SourceTable\": \"/ \"\n }\n ]\n }\n\n", "ReplicationTaskSettings":"{\"TargetMetadata\": { \"TargetSchema\":\"\",\"SupportLobs\":true,\"FullLobMode\": true,\"LobChunkSize\":64,\"LimitedSizeLobMode\": false,\"LobMaxSize\":0},\"FullLoadSettings\":{ \"FullLoadEnabled\":true, \"TargetTablePrepMode\":\"DROP_AND_CREATE\", \"CreatePkAfterFullLoad\":false, \"StopTaskCachedChangesApplied\":false, \"StopTaskCachedChangesNotApplied\":false, \"ResumeEnabled\":false, \"ResumeMinTableSize\":100000, \"ResumeOnlyClusteredPKTables\":true, \"MaxFullLoadSubTasks\":8, \"TransactionConsistencyTimeout\":600, \"CommitRate\":10000 }, \"Logging\":{ \"EnableLogging\":false } }" }

See Also

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