Add link from Firewall page to Data Explorer troubleshooting article

Author: seesharprun

articles/cosmos-db/how-to-configure-firewall.md

@@ -53,6 +53,9 @@ You can enable requests to access the Azure portal by selecting the **Allow acce
 
 :::image type="content" source="./media/how-to-configure-firewall/enable-azure-portal.png" alt-text="Screenshot showing how to enable Azure portal access" border="true":::
 
+> [!NOTE]
+> If you are experiencing challenges connecting to your Azure Cosmos DB account from the Data Explorer, review the [Data Explorer troubleshooting guide](/troubleshoot/azure/cosmos-db/data-explorer).
+
 ### Allow requests from global Azure datacenters or other sources within Azure
 
 If you access your Azure Cosmos DB account from services that don’t provide a static IP (for example, Azure Stream Analytics and Azure Functions), you can still use the IP firewall to limit access. You can enable access from other sources within the Azure by selecting the **Accept connections from within Azure datacenters** option, as shown in the following screenshot: