Fix Remote Desktop Error 0x8007042c: Service Unavailable - OneDrive Sync Troubleshooting Checklist: Quick Fixes for Common Issues-Fix SSL Certificate Errors in Chrome by Clearing State
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.