Fix PowerShell Backup-Restore Script Not Working - How to Fix RDP 504 Gateway Timeout in IIS-Resolve PowerShell Permission Denied for Mapped Drives
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.