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Change to Amazon Linux 2 (AL2) End-of-Life (EOL) Guidance








CMS Cloud
Change to Previous Guidance

This message updates and replaces all previous guidance on Amazon Linux 2 (AL2) End-of-Life (EOL) for CMS Cloud users.

Based on guidance from AWS Professional Services and the CMS Hybrid Cloud Team, all AL2 users *must transition to Amazon Linux 2023 (AL2023) [ https://cloud.cms.gov/gold-image-amazon-linux-2023 ] by July 1, 2025*, instead of the previously announced deadline.

Action Required

Please *decommission all AL2 instances and migrate to AL2023 by Tuesday, July 1, 2025*. We will reach out to customers with active AL2 instances using support tickets on *Friday, April 18, 2025*, to ensure all AL2 instances are closed.

Key Dates

* *Friday, April 18, 2025:* Users with active AL2 instances will receive support tickets.
* *Tuesday, July 1, 2025:* Deadline to transition to AL2023.

Support

We look forward to helping you and your team. For questions or concerns, please contact your assigned Hosting Coordinator/Technical Advisor or submit a *Hybrid Cloud support ticket* [ https://jiraent.cms.gov/plugins/servlet/desk/portal/22 ].



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