AVD Agent error 3703 clarify using tool

Author: dknappettmsft

articles/virtual-desktop/troubleshoot-agent.md

@@ -109,9 +109,7 @@ To resolve this issue, check that you can reach the two endpoints referred to as
 
 On your session host VM, go to **Event Viewer** > **Windows Logs** > **Application**. If you see an event with ID 3703 with **RD Gateway Url: is not accessible** in the description, the agent is unable to reach the gateway URLs. To successfully connect to your session host, you must allow network traffic to the URLs from the [Required URL List](safe-url-list.md). Also, make sure your firewall or proxy settings don't block these URLs. Unblocking these URLs is required to use Azure Virtual Desktop.
 
-To resolve this issue, verify that your firewall and/or DNS settings are not blocking these URLs:
-1. [Use Azure Firewall to protect Azure Virtual Desktop deployments.](../firewall/protect-azure-virtual-desktop.md).
-1. Configure your [Azure Firewall DNS settings](../firewall/dns-settings.md).
+To resolve this issue, verify access these to the required URLs by running the [Required URL Check tool](required-url-check-tool.md). If you're using Azure Firewall, see [Use Azure Firewall to protect Azure Virtual Desktop deployments.](../firewall/protect-azure-virtual-desktop.md) and [Azure Firewall DNS settings](../firewall/dns-settings.md) for more information on how to to configure it for Azure Virtual Desktop.
 
 ## Error: 3019