Merge pull request #13193 from anandmeg/proxy-update

Add proxy creds change related note

Author: prmerger-automator[bot]

docs/install/install-and-use-visual-studio-behind-a-firewall-or-proxy-server.md

@@ -1,7 +1,7 @@
 ---
 title: Install and use behind a firewall or proxy server
 description: Review the domain URLs, ports, and protocols that you might want to add to an allowlist or open if your organization uses a firewall or a proxy server
-ms.date: 11/27/2023
+ms.date: 10/02/2024
 ms.topic: conceptual
 helpviewer_keywords:
 - network installation, Visual Studio
@@ -79,6 +79,9 @@ Because the Visual Studio Installer downloads files from various domains and the
 
 ## Use Visual Studio and Azure Services
 
+> [!NOTE]
+> With [Visual Studio 17.8](/visualstudio/releases/2022/release-notes-v17.8), we've updated the configuration process for default proxy credentials in web requests. To activate default proxy credentials after this update, set the`VS_USE_DEFAULTPROXY` environment variable to `true`.
+
 ### URLs to add to an allowlist and ports and protocols to open
 
 To make sure that you have access to everything you want when you use Visual Studio or Azure Services behind a firewall or proxy server, here are the URLs you should add to an allowlist and the ports and protocols that you might want to open.