Fix BitLocker Proxy Error Certificate Issues - Teams Sign-In Error CAA2000C: Causes and Fixes-Yarn Network Timeout Configuration Guide

Updated 2026-06-14 16:54:24office-tools
Fix BitLocker Proxy Error Certificate Issues - Teams Sign-In Error CAA2000C: Causes and Fixes-Yarn Network Timeout Configuration Guide
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.