Fix Remote Desktop DNS Lookup Failed Error - Windows 10 Update Error 0x80070643 – Quick Fixes-Troubleshoot PowerShell 502 Bad Gateway

Updated 2026-06-14 06:54:20security-tools
Fix Remote Desktop DNS Lookup Failed Error - Windows 10 Update Error 0x80070643 – Quick Fixes-Troubleshoot PowerShell 502 Bad Gateway
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.