Create a replication instance

The following illustration shows a high-level view of the migration process.

Data Migration Diagram

  1. Navigate to the Database Migration Service (DMS) console or type DMS in the search bar top left part of screen.

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  2. On the left-hand menu click on Replication Instances. This will launch the Replication instance screen.

  3. Notice we’ve already created a DMS Replication instance for you so you can either skip this section or if you want to get the experience of building a DMS replication instance please proceed.

  4. Click on the Create replication instance button on the top right side.

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  5. Enter the following information for the Replication Instance. Then, click on the Create button.

    ParameterValue
    NameDMSReplication-myinitials
    Descriptive Amazon Resource name(ARN)leave blank
    DescriptionOptional or Replication server for Database Migration
    Instance Class**dms.c5.xlarge**
    Engine versionLeave the default value
    High Availability/Multi-AZDev or Test workload(Single-AZ)
    Allocated storage (GB)50
    VPCVPC ID with DMSVpc in the name - need to change the drop down
    Publicly accessibleNo/unchecked
    Advanced -> VPC Security Group(s)default

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Note 1: If you get an error “The IAM Role arn aws iam ########## role dms-vpc-role is not configured properly”, click Cancel and repeat steps above and it will work on the second attempt.

Note 2: Creating replication instance will take several minutes. While waiting for this replication instance to be created, we will go ahead and use the one that was created for you as part of the environment build that is already available.