Fix Windows Activation Stuck on 'Connecting to Your Organization's Activation Server' - Nginx 502 Error in Docker: Causes and Solutions-When to Use --no-cache in Docker Compose Build

Updated 2026-06-13 16:57:31office-tools

Fix Windows Activation Stuck on 'Connecting to Your Organization's Activation Server' - Nginx 502 Error in Docker: Causes and Solutions-When to Use --no-cache in Docker Compose Build

Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

Restart the affected app after changing permissions or configuration files.
Test the same workflow in a clean browser profile or a temporary user account.
Compare the result on another network if the error may be connection related.