Using Git LFS Migrate on an Existing Repository - Resolve Git LFS Authentication Error 403-Resolve Cloudflare 521 Origin Connection Error

Updated 2026-07-28 14:20:21macos-help
Using Git LFS Migrate on an Existing Repository - Resolve Git LFS Authentication Error 403-Resolve Cloudflare 521 Origin Connection Error
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.