Merge pull request #153042 from anavinahar/patch-265

Update troubleshoot-intermittent-outbound-connection-errors.md

Author: PRMerger7

articles/app-service/troubleshoot-intermittent-outbound-connection-errors.md

@@ -154,6 +154,7 @@ TCP connections and SNAT ports are not directly related. A TCP connections usage
 * A SNAT port can be shared by different flows, if the flows are different in either protocol, IP address or port. The TCP Connections metric counts every TCP connection.
 * The TCP connections limit happens at the worker instance level. The Azure Network outbound load balancing doesn't use the TCP Connections metric for SNAT port limiting.
 * The TCP connections limits are described in [Sandbox Cross VM Numerical Limits - TCP Connections](https://github.com/projectkudu/kudu/wiki/Azure-Web-App-sandbox#cross-vm-numerical-limits)
+* Existing TCP sessions will fail when new outbound TCP sessions from Azure App Service source port. You can either use a single IP or reconfigure backend pool members to avoid conflicts
 
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