# Release: Elastic Beanstalk Windows Server platform update on July 17, 2025 This release provides new Windows Server platform versions for AWS Elastic Beanstalk. It updates framework and AWS components and applies Windows security updates. This release also adds support for creating multiple IIS websites and installs the IIS ARR by default on Windows AMIs. **Release date:** July 17, 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](https://docs.aws.amazon.com/elasticbeanstalk/latest/platforms/platforms-retiring.html) 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** | | --- | --- | | **Framework** | **Details** | | --- | --- | | **Component** | **Details** | | --- | --- | | **Windows security updates** | Applied July 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](https://portal.msrc.microsoft.com/en-us/security-guidance). | | **Framework updates** | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/elasticbeanstalk/latest/relnotes/release-2025-07-17-windows.html) | | **AWS component updates** | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/elasticbeanstalk/latest/relnotes/release-2025-07-17-windows.html) | | **Additional changes with this release** | This release adds support for creating multiple IIS websites and deploying applications to them using the [ deployment manifest](https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/dotnet-manifest-schema.html). The IIS Application Request Routing Module (ARR) is now installed by default on Windows AMIs. These changes provide more customization options for IIS sites and routing configuration. | | **.NET Core** | Updated .NET 9 to version 9.0.7. Updated .NET 8 to version 8.0.18. | | **AWS SDK for .NET** | Updated the SDK to version 3.7.1077.0. | | **AMI** | Updated the base AMI to version 2025.07.09. | | **X-Ray daemon** | Updated the X-Ray daemon to version 3.3.15. | | **SSM Agent** | Updated the SSM Agent to version 3.3.2471.0. | | **CloudWatch Agent** | Updated the CloudWatch Agent to version 1.300057.0b1161. | ## New platform versions **Topics** + [.NET on Windows Server](#release-2025-07-17-windows.platforms.net) ### .NET on Windows Server #### Configuration basics **** | Platform Version | Solution Stack Name | Framework | Proxy Server | | --- | --- | --- | --- | | ** Windows Server 2025 with IIS 10.0 version 2.19.3** | * 64bit Windows Server 2025 v2.19.3 running IIS 10.0 * | .NET 9.0.7, supports 9.0.7, 8.0.18 .NET Framework 4.8.1, supports 4.x, 2.0 | IIS 10.0 | | ** Windows Server Core 2025 with IIS 10.0 version 2.19.3** | * 64bit Windows Server Core 2025 v2.19.3 running IIS 10.0 * | .NET 9.0.7, supports 9.0.7, 8.0.18 .NET Framework 4.8.1, supports 4.x, 2.0 | IIS 10.0 | | ** Windows Server 2022 with IIS 10.0 version 2.19.3** | * 64bit Windows Server 2022 v2.19.3 running IIS 10.0 * | .NET 9.0.7, supports 9.0.7, 8.0.18 .NET Framework 4.8.1, supports 4.x, 2.0 | IIS 10.0 | | ** Windows Server Core 2022 with IIS 10.0 version 2.19.3** | * 64bit Windows Server Core 2022 v2.19.3 running IIS 10.0 * | .NET 9.0.7, supports 9.0.7, 8.0.18 .NET Framework 4.8.1, supports 4.x, 2.0 | IIS 10.0 | | ** Windows Server 2019 with IIS 10.0 version 2.19.3** | * 64bit Windows Server 2019 v2.19.3 running IIS 10.0 * | .NET 9.0.7, supports 9.0.7, 8.0.18 .NET Framework 4.8, supports 4.x, 2.0 | IIS 10.0 | | ** Windows Server Core 2019 with IIS 10.0 version 2.19.3** | * 64bit Windows Server Core 2019 v2.19.3 running IIS 10.0 * | .NET 9.0.7, supports 9.0.7, 8.0.18 .NET Framework 4.8, supports 4.x, 2.0 | IIS 10.0 | | ** Windows Server 2016 with IIS 10.0 version 2.19.3** | * 64bit Windows Server 2016 v2.19.3 running IIS 10.0 * | .NET 9.0.7, supports 9.0.7, 8.0.18 .NET Framework 4.8, supports 4.x, 2.0 | IIS 10.0 | | ** Windows Server Core 2016 with IIS 10.0 version 2.19.3** | * 64bit Windows Server Core 2016 v2.19.3 running IIS 10.0 * | .NET 9.0.7, supports 9.0.7, 8.0.18 .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 2.19.3** | 2025.07.09 | 3.7.1077.0 | | 3.3.2471.0 | 3.6 | 3.3.15 | | ** Windows Server Core 2025 with IIS 10.0 version 2.19.3** | 2025.07.09 | 3.7.1077.0 | | 3.3.2471.0 | 3.6 | 3.3.15 | | ** Windows Server 2022 with IIS 10.0 version 2.19.3** | 2025.07.09 | 3.7.1077.0 | | 3.3.2471.0 | 3.6 | 3.3.15 | | ** Windows Server Core 2022 with IIS 10.0 version 2.19.3** | 2025.07.09 | 3.7.1077.0 | | 3.3.2471.0 | 3.6 | 3.3.15 | | ** Windows Server 2019 with IIS 10.0 version 2.19.3** | 2025.07.09 | 3.7.1077.0 | | 3.3.2471.0 | 3.6 | 3.3.15 | | ** Windows Server Core 2019 with IIS 10.0 version 2.19.3** | 2025.07.09 | 3.7.1077.0 | | 3.3.2471.0 | 3.6 | 3.3.15 | | ** Windows Server 2016 with IIS 10.0 version 2.19.3** | 2025.07.09 | 3.7.1077.0 | | 3.3.2471.0 | 3.6 | 3.3.15 | | ** Windows Server Core 2016 with IIS 10.0 version 2.19.3** | 2025.07.09 | 3.7.1077.0 | | 3.3.2471.0 | 3.6 | 3.3.15 |