Microsoft 365 Message Center item MC1392568
MC1392568 - Microsoft Defender for Endpoint: Support for Amazon Linux 2 (ARM64) retiring October 31, 2026
Support for Microsoft Defender for Endpoint on Amazon Linux 2 (ARM64) will retire on October 31, 2026. After this date, no updates or support will be provided. Organizations must identify affected devices, prevent upgrades beyond version 101.25122.0004, and migrate to a supported Linux distribution before the deadline.
- Message Center ID
- MC1392568
- Category
- plan For Change
- Severity
- normal
- Services
- Microsoft Defender XDR
- Tags
- User impact, Admin impact, Retirement
- Published
- 2026-06-15
- Last updated
- 2026-06-15
- Expires
- 2026-12-01
- Action required by
- 2026-10-31
[What and Why]We are retiring support for Microsoft Defender for Endpoint (MDE) on Amazon Linux 2 (AL2) running on ARM64 architecture, effective October 31, 2026.[Schedule]Retirement effective: October 31, 2026After this date, support and updates will no longer be available.[Impact on Your Organization]Who is affectedOrganizations using Microsoft Defender for Endpoint on Amazon Linux 2 (ARM64)Organizations using AL2 on AMD64/x86_64 are not affectedPlatforms/ServicesMicrosoft Defender for EndpointAmazon Linux 2 (ARM64)What will happenDefender versions released after this build will not install on AL2 (ARM64) due to platform incompatibility.Version 101.25122.0004 is the last supported version for this platform.After October 31, 2026:No security updatesNo bug fixesNo technical supportDevices remaining on this platform may:Miss new features, detection improvements, and protection enhancementsBe exposed to increased security and stability risks over time[Action Required / Recommendations]Action required by October 31, 2026.Admins should:Identify devices running Amazon Linux 2 (ARM64) with Defender for Endpoint.Prevent upgrades beyond version 101.25122.0004 on those devices.Plan migration to a supported Linux distribution for MDE.Complete migration before October 31, 2026.No action is required for devices running Amazon Linux 2 on AMD64/x86_64 architectures.Learn more: Prerequisites for Microsoft Defender for Endpoint on Linux | Microsoft Defender for Endpoint | Microsoft Defender | Microsoft Learn[Compliance Considerations]No compliance considerations identified. Review as appropriate for your organization.