Release: Elastic Beanstalk Windows Server platform update on September 22, 2025 - AWS Elastic Beanstalk

Release: Elastic Beanstalk Windows Server platform update on September 22, 2025

This release provides new Windows Server platform versions for AWS Elastic Beanstalk. The release updates framework and AWS components and applies Windows security updates.

Release date: September 22, 2025

Changes

The following table lists the changes included in this release.

Notes
  • These release notes focus on changes to currently supported platform branches. For full version information of Elastic Beanstalk retiring (deprecated) platform branches, see Elastic Beanstalk platform versions scheduled for retirement in the AWS Elastic Beanstalk Platforms guide.

  • Be aware that at the time these release notes are published, the new platform versions might not yet be available in all the AWS Regions that Elastic Beanstalk supports. It might take a few hours for the release to complete.

Category Description

Windows security updates

Applied September 2025 security updates for Windows.

This release includes updates from the monthly Microsoft Patch Tuesday Windows release. Windows security updates in this release are current up to the second Tuesday of the month.

For more details and a list of security updates, see the Microsoft Security Update Guide.

Framework updates

Framework Details

.NET Core

Updated .NET 9 to version 9.0.9.

Updated .NET 8 to version 8.0.20.

AWS component updates

Component Details

AMI

Updated the base AMI to version 2025.09.10.

AWS SDK for .NET

Updated the SDK to version 3.7.1120.0.

CloudWatch Agent

Updated the CloudWatch Agent to version 1.300059.0b1207.

SSM Agent

Updated the SSM Agent to version 3.3.3050.0.

AWS X-Ray

Updated the X-Ray daemon to version 3.6.0.

Additional changes with this release

  • PowerShell 2.0 has been removed from Windows Server 2025 platforms in accordance with Microsoft's deprecation of this legacy version. For more information, see Microsoft's support article.

  • In this release, the host rename was moved prior to platform bootstrapping.

New platform versions

These platforms are updated:

.NET on Windows Server

Configuration basics

Platform Version

Solution Stack Name

Framework

Proxy Server

Windows Server 2025 with IIS 10.0 version 2.20.0

64bit Windows Server 2025 v2.20.0 running IIS 10.0

.NET 9.0.9, supports 9.0.9, 8.0.20

.NET Framework 4.8.1, supports 4.x, 2.0

IIS 10.0

Windows Server Core 2025 with IIS 10.0 version 2.20.0

64bit Windows Server Core 2025 v2.20.0 running IIS 10.0

.NET 9.0.9, supports 9.0.9, 8.0.20

.NET Framework 4.8.1, supports 4.x, 2.0

IIS 10.0

Windows Server 2022 with IIS 10.0 version 2.20.0

64bit Windows Server 2022 v2.20.0 running IIS 10.0

.NET 9.0.9, supports 9.0.9, 8.0.20

.NET Framework 4.8.1, supports 4.x, 2.0

IIS 10.0

Windows Server Core 2022 with IIS 10.0 version 2.20.0

64bit Windows Server Core 2022 v2.20.0 running IIS 10.0

.NET 9.0.9, supports 9.0.9, 8.0.20

.NET Framework 4.8.1, supports 4.x, 2.0

IIS 10.0

Windows Server 2019 with IIS 10.0 version 2.20.0

64bit Windows Server 2019 v2.20.0 running IIS 10.0

.NET 9.0.9, supports 9.0.9, 8.0.20

.NET Framework 4.8, supports 4.x, 2.0

IIS 10.0

Windows Server Core 2019 with IIS 10.0 version 2.20.0

64bit Windows Server Core 2019 v2.20.0 running IIS 10.0

.NET 9.0.9, supports 9.0.9, 8.0.20

.NET Framework 4.8, supports 4.x, 2.0

IIS 10.0

Windows Server 2016 with IIS 10.0 version 2.20.0

64bit Windows Server 2016 v2.20.0 running IIS 10.0

.NET 9.0.9, supports 9.0.9, 8.0.20

.NET Framework 4.8, supports 4.x, 2.0

IIS 10.0

Windows Server Core 2016 with IIS 10.0 version 2.20.0

64bit Windows Server Core 2016 v2.20.0 running IIS 10.0

.NET 9.0.9, supports 9.0.9, 8.0.20

.NET Framework 4.8, supports 4.x, 2.0

IIS 10.0

More details

Platform Version

AMI version

AWS SDK for .NET

EC2Config

SSM Agent

Web Deploy

AWS X-Ray

Windows Server 2025 with IIS 10.0 version 2.20.0

2025.09.10

3.7.1120.0

3.3.3050.0

3.6

3.6.0

Windows Server Core 2025 with IIS 10.0 version 2.20.0

2025.09.10

3.7.1120.0

3.3.3050.0

3.6

3.6.0

Windows Server 2022 with IIS 10.0 version 2.20.0

2025.09.10

3.7.1120.0

3.3.3050.0

3.6

3.6.0

Windows Server Core 2022 with IIS 10.0 version 2.20.0

2025.09.10

3.7.1120.0

3.3.3050.0

3.6

3.6.0

Windows Server 2019 with IIS 10.0 version 2.20.0

2025.09.10

3.7.1120.0

3.3.3050.0

3.6

3.6.0

Windows Server Core 2019 with IIS 10.0 version 2.20.0

2025.09.10

3.7.1120.0

3.3.3050.0

3.6

3.6.0

Windows Server 2016 with IIS 10.0 version 2.20.0

2025.09.10

3.7.1120.0

3.3.3050.0

3.6

3.6.0

Windows Server Core 2016 with IIS 10.0 version 2.20.0

2025.09.10

3.7.1120.0

3.3.3050.0

3.6

3.6.0