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What's new in the Azure Virtual Desktop SxS Network Stack?

  • Article

The Azure Virtual Desktop agent links your session hosts with the Azure Virtual Desktop service. It also includes a component called the SxS Network Stack. The Azure Virtual Desktop agent acts as the intermediate communicator between the service and the virtual machines, enabling connectivity. The SxS Network Stack component is required for users to securely establish reverse server-to-client connections.

The Azure Virtual Desktop SxS Network Stack is updated regularly. New versions of the Azure Virtual Desktop SxS Network Stack are installed automatically. When new versions are released, they're rolled out progressively to session hosts. This process is called flighting and it enables Microsoft to monitor the rollout in validation environments first.

A rollout might take several weeks before the agent is available in all environments. Some agent versions might not reach nonvalidation environments, so you might see multiple versions of the agent deployed across your environments.

This article is where you'll find out about:

  • The latest updates
  • New features
  • Improvements to existing features
  • Bug fixes

Make sure to check back here often to keep up with new updates.

Latest available versions

Here's information about the SxS Network Stack.

Release Latest version
Production 1.0.2407.05700
Validation 1.0.2407.05700

Version 1.0.2407.05700

Published: September 2024

In this release, we've made the following changes:

  • HVEC preview support.
  • Addressed an issue in the RemoteApp scenario that could cause the text highlight color in the File Explorer’s address bar to appear incorrectly.

Version 1.0.2404.16760

Published: July 2024

In this release, we've made the following changes:

  • General improvements and bug fixes mainly around rdpshell and RemoteApp.

Version 1.0.2402.09880

Published: July 2024

In this release, we've made the following changes:

  • General improvements and bug fixes mainly around rdpshell and RemoteApp.
  • The default chroma value has been changed from 4:4:4 to 4:2:0.
  • Reduce chance of progressive update blocking real updates from driver.
  • Improve user experience when bad credentials are saved.
  • Improve session switching to avoid hangs.
  • Update Intune version numbers for the granular clipboard feature.
  • Bug fixes for RemoteApp V2 decoder.
  • Bug fixes for RemoteApp.
  • Fix issue with caps lock state when using the on-screen keyboard.