Summary

Here's a summary of the content found on the 502 Bad Gateway Microsoft-Azure-Application-Gatewayv2 webpage:

This page details the 502 Bad Gateway error occurring within Microsoft Azure Application Gateway v2. It explains that a 502 error signifies that the Application Gateway itself encountered a problem while trying to access or process a request from the backend server(s) it’s routing to. Key causes include:

* Backend Issues: The primary reason is often a problem with the backend servers themselves – they might be down, overloaded, unresponsive, or experiencing errors.
* Application Errors: Bugs or errors within the application deployed on the backend servers can lead to the gateway not being able to successfully complete the request.
* Network Connectivity: Problems with network connectivity between the Application Gateway and the backend servers can trigger this error.
* Configuration Errors: Incorrect routing rules, timeouts, or other misconfigurations within the Application Gateway can contribute to the issue.

The page provides troubleshooting steps, including checking backend server status, examining Application Gateway logs, verifying network connectivity, and reviewing routing rules, to diagnose and resolve the problem. It emphasizes the importance of monitoring and logging to quickly identify the root cause.

Title

502 Bad Gateway

Description

502 Bad Gateway

Keywords

gateway, azure, application

NS Lookup

A 20.105.248.122

Dates

Created 2026-03-14

Updated 2026-03-14

Summarized 2026-03-18