NEW - You can now accelerate your migration and modernization with AWS Transform. Read [Getting Started](https://docs.aws.amazon.com/transform/latest/userguide/getting-started.html) in the *AWS Transform User Guide*.

# Starting a cutover
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To launch a cutover instance for a single source server or multiple source servers, go to the **Source servers** page and check the box to the left of each server you want to cutover. 

Open the **Test and cutover** menu.

Under **Cutover**, choose the** Launch cutover instances** option.

The **Launch cutover instances for X** servers dialog appears. Choose **Launch** to begin the cutover. 

In the **Source servers** page, the **Migration lifecycle** column shows **Cutover in progress** and the **Next step** column shows **Finalize cutover**. 

The AWS Application Migration Service console indicates **Launch job started** when the cutover has started. 

Choose **View job details** on the dialog to view the specific job for the cutover launch in the** Launch history** tab. 



## Successful cutover launch indicators
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You can tell that the cutover instance launch was started successfully through several indicators on the **Source servers** page.



1. The **Alerts** column displays **Launched**. 

1. The **Migration lifecycle** column displays **Cutover in progress**.

1. The **Data replication status** displays **Healthy**.

1. The **Next step column** displays **Finalize cutover**.