You can migrate an Elastic Compute Service (ECS) instance from a dedicated host to a shared host. This allows you to flexibly deploy your business.


The ECS instance that you want to migrate must meet the following requirements:

Background information

After you migrate an ECS instance from a dedicated host to a shared host, you are charged for the vCPUs, memory, and local disks. The costs of these resources are no longer included in DDH bills. Make sure that your account has sufficient balance. For more information, see Pay-as-you-go.


  1. Log on to the ECS console.
  2. In the left-side navigation pane, choose Instances & Images > Dedicated Hosts.
  3. In the top navigation bar, select a region.
  4. In the Modify Host Deployment dialog box, set the required parameters.
    Parameter Description
    Destination DDH Select Shared Host.
    Target Instance Type Enter an instance type, for example, ecs.g6.large. For more information, see Instance families.
    The destination instance type must meet the following requirements. This ensures the success of the migration.
  5. Click OK.
    After the migration is complete, the ECS instance automatically starts and enters the Running state.