Merge pull request #269320 from halkazwini/nw-uct

Update prerequisites

Author: prmerger-automator[bot]

articles/network-watcher/connection-troubleshoot-overview.md

@@ -37,9 +37,10 @@ Connection troubleshoot provides the capability to check TCP or ICMP connections
 - Application gateways (except v1)
 
 > [!IMPORTANT]
-> Connection troubleshoot requires that the virtual machine you troubleshoot from has the `AzureNetworkWatcherExtension` extension installed. The extension is not required on the destination virtual machine.
-> - To install the extension on a Windows VM, see [Azure Network Watcher Agent virtual machine extension for Windows](../virtual-machines/extensions/network-watcher-windows.md?toc=%2fazure%2fnetwork-watcher%2ftoc.json).
-> - To install the extension on a Linux VM, see [Azure Network Watcher Agent virtual machine extension for Linux](../virtual-machines/extensions/network-watcher-linux.md?toc=%2fazure%2fnetwork-watcher%2ftoc.json).
+> Connection troubleshoot requires that the virtual machine you troubleshoot from has the *Network Watcher agent VM extension* installed. The extension is not required on the destination virtual machine.
+> - To install the extension on a Windows VM, see [Azure Network Watcher agent VM extension for Windows](../virtual-machines/extensions/network-watcher-windows.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json).
+> - To install the extension on a Linux VM, see [Azure Network Watcher agent VM extension for Linux](../virtual-machines/extensions/network-watcher-linux.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json).
+> - To update an already installed extension, see [Update Network Watcher agent VM extension to the latest version](../virtual-machines/extensions/network-watcher-update.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json).
 
 Connection troubleshoot can test connections to any of these destinations:
 
@@ -151,4 +152,4 @@ Connection troubleshoot returns fault types about the connection. The following
 
 To learn how to use connection troubleshoot to test and troubleshoot connections, continue to:
 > [!div class="nextstepaction"]
-> [Troubleshoot connections using the Azure portal](connection-troubleshoot-portal.md)
+> [Troubleshoot connections using the Azure portal](connection-troubleshoot-portal.md)

articles/network-watcher/connection-troubleshoot-portal.md

@@ -6,9 +6,9 @@ author: halkazwini
 ms.author: halkazwini
 ms.service: network-watcher
 ms.topic: how-to
-ms.date: 03/15/2024
+ms.date: 03/18/2024
 
-#CustomerIntent: As an Azure administrator, I want to learn how to use Connection Troubleshoot to diagnose connectivity problems in Azure.
+#CustomerIntent: As an Azure administrator, I want to learn how to use Connection Troubleshoot to diagnose outbound connectivity issues in Azure using the Azure portal.
 ---
 
 # Troubleshoot outbound connections using the Azure portal
@@ -18,13 +18,21 @@ In this article, you learn how to use the connection troubleshoot feature of Azu
 ## Prerequisites
 
 - An Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/?WT.mc_id=A261C142F).
-- Network Watcher enabled in the region of the virtual machine (VM) you want to troubleshoot. For more information, see [Enable or disable Azure Network Watcher](network-watcher-create.md).
-- A virtual machine with Network Watcher agent VM extension installed on it. To manually install the agent, see [Network Watcher Agent virtual machine extension for Windows](../virtual-machines/extensions/network-watcher-windows.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json) or [Network Watcher Agent virtual machine extension for Linux](../virtual-machines/extensions/network-watcher-linux.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json). To update an already installed agent, see [Update Azure Network Watcher extension to the latest version](../virtual-machines/extensions/network-watcher-update.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json).
+
+- Network Watcher enabled in the region of the virtual machine (VM) you want to troubleshoot. By default, Azure enables Network Watcher in a region when you create a virtual network in it. For more information, see [Enable or disable Azure Network Watcher](network-watcher-create.md).
+
+- A virtual machine with Network Watcher agent VM extension installed on it and the following outbound TCP connectivity:
+    - to the storage account over port 443
+    - to 169.254.169.254 over port 80
+    - to 168.63.129.16 over port 8037
+
 - A second virtual machine with inbound TCP connectivity from 168.63.129.16 over the port being tested (for Port scanner diagnostic test).
 
 > [!NOTE]
-> - By default, Azure enables Network Watcher in a region when you create a virtual network in it.
-> - When you use connection troubleshoot, Azure automatically installs the Network Watcher agent VM extension on the source virtual machine if it's not already installed. 
+> When you use connection troubleshoot, Azure portal automatically installs the Network Watcher agent VM extension on the source virtual machine if it's not already installed.
+> - To install the extension on a Windows virtual machine, see [Network Watcher agent VM extension for Windows](../virtual-machines/extensions/network-watcher-windows.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json).
+> - To install the extension on a Linux virtual machine, see [Network Watcher agent VM extension for Linux](../virtual-machines/extensions/network-watcher-linux.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json).
+> - To update an already installed extension, see [Update Network Watcher agent VM extension to the latest version](../virtual-machines/extensions/network-watcher-update.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json).
 
 ## Test connectivity to a virtual machine
 

articles/network-watcher/connection-troubleshoot-powershell.md

@@ -20,20 +20,25 @@ In this article, you learn how to use the connection troubleshoot feature of Azu
 
 - An Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/?WT.mc_id=A261C142F).
 
-- Azure Cloud Shell or Azure PowerShell.
+- Network Watcher enabled in the region of the virtual machine (VM) you want to troubleshoot. By default, Azure enables Network Watcher in a region when you create a virtual network in it. For more information, see [Enable or disable Azure Network Watcher](network-watcher-create.md).
 
-    The steps in this article run the Azure PowerShell cmdlets interactively in [Azure Cloud Shell](/azure/cloud-shell/overview). To run the commands in the Cloud Shell, select **Open Cloudshell** at the upper-right corner of a code block. Select **Copy** to copy the code and then paste it into Cloud Shell to run it. You can also run the Cloud Shell from within the Azure portal.
+- A virtual machine with Network Watcher agent VM extension installed on it and the following outbound TCP connectivity:
+    - to the storage account over port 443
+    - to 169.254.169.254 over port 80
+    - to 168.63.129.16 over port 8037
 
-    You can also [install Azure PowerShell locally](/powershell/azure/install-azure-powershell) to run the cmdlets. This article requires the Azure PowerShell `Az` module. To find the installed version, run `Get-Module -ListAvailable Az`. If you run PowerShell locally, sign in to Azure using the [Connect-AzAccount](/powershell/module/az.accounts/connect-azaccount) cmdlet.
+- A second virtual machine with inbound TCP connectivity from 168.63.129.16 over the port being tested (for Port scanner diagnostic test).
 
-- Network Watcher enabled in the region of the virtual machine (VM) you want to troubleshoot. For more information, see [Enable or disable Azure Network Watcher](network-watcher-create.md).
+- Azure Cloud Shell or Azure PowerShell.
 
-- A virtual machine with Network Watcher agent VM extension installed on it. To install the extension, see [Network Watcher Agent virtual machine extension for Windows](../virtual-machines/extensions/network-watcher-windows.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json) or [Network Watcher Agent virtual machine extension for Linux](../virtual-machines/extensions/network-watcher-linux.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json). To update an already installed extension, see [Update Azure Network Watcher extension to the latest version](../virtual-machines/extensions/network-watcher-update.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json).
+    The steps in this article run the Azure PowerShell cmdlets interactively in [Azure Cloud Shell](/azure/cloud-shell/overview). To run the commands in the Cloud Shell, select **Open Cloud Shell** at the upper-right corner of a code block. Select **Copy** to copy the code and then paste it into Cloud Shell to run it. You can also run the Cloud Shell from within the Azure portal.
 
-- A second virtual machine with inbound TCP connectivity from 168.63.129.16 over the port being tested (for Port scanner diagnostic test).
+    You can also [install Azure PowerShell locally](/powershell/azure/install-azure-powershell) to run the cmdlets. This article requires the Azure PowerShell `Az` module. To find the installed version, run `Get-Module -ListAvailable Az`. If you run PowerShell locally, sign in to Azure using the [Connect-AzAccount](/powershell/module/az.accounts/connect-azaccount) cmdlet.
 
 > [!NOTE]
-> - By default, Azure enables Network Watcher in a region when you create a virtual network in it.
+> - To install the extension on a Windows virtual machine, see [Network Watcher agent VM extension for Windows](../virtual-machines/extensions/network-watcher-windows.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json).
+> - To install the extension on a Linux virtual machine, see [Network Watcher agent VM extension for Linux](../virtual-machines/extensions/network-watcher-linux.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json).
+> - To update an already installed extension, see [Update Network Watcher agent VM extension to the latest version](../virtual-machines/extensions/network-watcher-update.md?toc=/azure/network-watcher/toc.json&bc=/azure/network-watcher/breadcrumb/toc.json).
 
 ## Check connectivity to a virtual machine