AWS Mainframe Modernization Service (Managed Runtime Environment experience) will no longer be open to new customers starting on November 7, 2025. If you would like to use the service, please sign up prior to November 7, 2025. For capabilities similar to AWS Mainframe Modernization Service (Managed Runtime Environment experience) explore AWS Mainframe Modernization Service (Self-Managed Experience). Existing customers can continue to use the service as normal. For more information, see AWS Mainframe Modernization availability change.
Stop an AWS Mainframe Modernization runtime environment
Use the AWS Mainframe Modernization console to stop an AWS Mainframe Modernization runtime environment. When you stop an environment the current application deployments are retained and you won't be charged for the environment until the environment is restarted.
These instructions assume that you have completed the steps in Set up for AWS Mainframe Modernization.
Stop a runtime environment
If you need to stop an AWS Mainframe Modernization runtime environment, you follow similar steps as the update environment section.
Use the AWS Mainframe Modernization console to stop an AWS Mainframe Modernization runtime environment. When you stop an environment, the current application deployments are retained and you won't be charged for the environment until the environment is restarted.
Note
You must stop all applications before stopping environment.
To stop a runtime environment
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Open the AWS Mainframe Modernization console at https://console.aws.amazon.com/m2/
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In the AWS Region selector, choose the Region where the environment that you want to stop was created.
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On the Environments page, choose the environment that you want to stop.
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On the details page for the environment, choose Actions, and then choose Edit environment.
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On the Edit environment page, find Resources section, and update the desired capacity to zero.
Note
To stop an environment, you can only choose to stop immediately.
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Choose Next.
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In When to apply these changes, choose Immediately. Then choose Update environment.
You see a message when the environment capacity is updated.
