Description

AWS has announced that the AWS Mainframe Modernization Service (M2) is moving to a Maintenance lifecycle, with new customers no longer having access starting November 7, 2025. Existing customers can continue to use the service while exploring alternative solutions.

Action Required: Remove the affected resources/data sources in a future major version of the Terraform AWS Provider once end of support has been reached.

Affected Resource(s) or Data Source(s)

• aws_m2_application
• aws_m2_deployment
• aws_m2_environment

References

• AWS Service Availability Updates - AWS

Relates: #44721