Microsoft Entra Global Secure Access Troubleshooting Guide

This article provides a comprehensive troubleshooting guide for Microsoft Entra Global Secure Access (GSA), focusing on resolving issues at the client side and within the Microsoft Entra admin center. It covers basic client functionality checks, DNS verification, service status, proxy configurations, advanced diagnostics tools, Event Viewer analysis, and TraceRT. Additionally, it explains how to use traffic logs and authentication logs in the admin center to identify root causes. The guide is based on real-world deployment insights and is intended for IT professionals managing secure access to Microsoft 365 and private applications.