Fix Remote Desktop DNS Error 0x800704cf - Outlook Web App 404 Error Troubleshooting-Reduce SearchIndexer.exe High CPU and RAM Usage
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.