Microsoft Teams API Rate Limit: How to Fix and Avoid Throttling - Guest User Can't Sign In to Teams – Troubleshooting Guide-Resolve Windows Security Error 0x80073b01

Updated 2026-06-14 01:03:49developer-tools
Microsoft Teams API Rate Limit: How to Fix and Avoid Throttling - Guest User Can't Sign In to Teams – Troubleshooting Guide-Resolve Windows Security Error 0x80073b01
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.