# Track ENA Windows driver version releases
<a name="ena-driver-releases-windows"></a>

Windows AMIs include the ENA Windows driver to enable enhanced networking.

For Windows Server versions 2016 and above, we recommend that you use the latest driver version. For earlier versions of Windows Server, refer to the following table to determine which ENA driver version to use.


| Windows Server version | ENA driver version | 
| --- | --- | 
| Windows Server 2012 R2 | 2.6.0 and earlier | 
| Windows Server 2012 | 2.6.0 and earlier | 
| Windows Server 2008 R2 | 2.2.3 and earlier | 

## ENA Windows driver version history
<a name="ena-win-driver-release-history"></a>

The following table summarizes the changes for each release.


| Driver version | Details | Release date | 
| --- | --- | --- | 
|  [2.11.0](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/x64/2.11.0/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | August 1, 2025 | 
|  [2.10.0](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/x64/2.10.0/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | June 24, 2025 | 
|  [2.9.0](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/x64/2.9.0/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | December 12, 2024 | 
|  [2.8.0](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/x64/2.8.0/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | September 30, 2024 | 
|  [2.7.0](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/x64/2.7.0/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | May 1, 2024 | 
|  [2.6.0](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/x64/2.6.0/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | June 20, 2023 | 
|  2.5.0  |   Announcement ENA Windows driver version 2.5.0 has been rolled back due to failure to initialize on the Windows domain controller. Windows Client and Windows Server are unaffected.   | February 17, 2023 | 
|  [2.4.0](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/x64/2.4.0/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | April 28, 2022 | 
| 2.2.4 |   Announcement ENA Windows driver version 2.2.4 has been rolled back due to potential performance degradation on the sixth generation EC2 instances. We recommend that you downgrade the driver, using one of the following methods:  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | October 26, 2021 | 
|  [2.2.3](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/x64/2.2.3/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  Announcement Windows ENA driver version 2.2.3 is the final version that supports Windows Server 2008 R2. Currently available instance types that use ENA will continue to be supported on Windows Server 2008 R2, and the drivers are available by download. No future instance types will support Windows Server 2008 R2, and you cannot launch, import, or migrate Windows Server 2008 R2 images to future instance types.    | March 25, 2021 | 
|  [2.2.2](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/2.2.2/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) | December 21, 2020 | 
|  [2.2.1](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/2.2.1/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) | October 1, 2020 | 
|  [2.2.0](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/2.2.0/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | August 12, 2020 | 
|  [2.1.5](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/2.1.5/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) | June 23, 2020 | 
|  [2.1.4](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/2.1.4/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | November 25, 2019 | 
|  [2.1.2](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/2.1.2/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | November 4, 2019 | 
|  [2.1.1](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/2.1.1/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | September 16, 2019 | 
|  [2.1.0](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/2.1.0/AwsEnaNetworkDriver.zip)  | ENA Windows driver v2.1 introduces new ENA device capabilities, provides a performance boost, adds new features, and includes multiple stability improvements. [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html) [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | July 1, 2019 | 
|  [1.5.0](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/1.5.0/AwsEnaNetworkDriver.zip)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ena-driver-releases-windows.html)  | October 4, 2018 | 
|  [1.2.3](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/1.2.3/AwsEnaNetworkDriver.zip)  |  Includes reliability fixes and unifies support for Windows Server 2008 R2 through Windows Server 2016.  | February 13, 2018 | 
|  [1.0.8](https://s3.amazonaws.com/ec2-windows-drivers-downloads/ENA/1.0.8/AwsEnaNetworkDriver.zip)  |  The initial release. Included in AMIs for Windows Server 2008 R2, Windows Server 2012 RTM, Windows Server 2012 R2, and Windows Server 2016.  | July 2016 | 

## Subscribe to ENA Windows driver release notifications from Amazon SNS
<a name="ena-win-driver-release-notification"></a>

Amazon SNS can notify you when new versions of EC2 Windows Drivers are released. Use the following procedure to subscribe to these notifications.

**Subscribe to EC2 notifications**

1. Open the Amazon SNS console at [https://console.aws.amazon.com/sns/v3/home](https://console.aws.amazon.com/sns/v3/home).

1. In the navigation bar, change the Region to **US East (N. Virginia)**, if necessary. You must select this Region because the SNS notifications that you are subscribing to are in this Region.

1. In the navigation pane, choose **Subscriptions**.

1. Choose **Create subscription**.

1. In the **Create subscription** dialog box, do the following:

   1. For **TopicARN**, copy the following Amazon Resource Name (ARN):

      **arn:aws:sns:us-east-1:801119661308:ec2-windows-drivers**

   1. For **Protocol**, choose `Email`.

   1. For **Endpoint**, enter an email address where you want notifications sent.

   1. Choose **Create subscription**.

1. You'll receive a confirmation email. Open the email and follow the directions to complete your subscription.

Whenever new EC2 Windows drivers are released, we send notifications to subscribers. If you no longer want to receive these notifications, use the following procedure to unsubscribe.

**Unsubscribe from Amazon EC2 Windows driver notification**

1. Open the Amazon SNS console at [https://console.aws.amazon.com/sns/v3/home](https://console.aws.amazon.com/sns/v3/home).

1. In the navigation pane, choose **Subscriptions**.

1. Select the checkbox for the subscription and then choose **Actions**, **Delete subscriptions**. When prompted for confirmation, choose **Delete**.