Fix Task Scheduler Version Mismatch Error: Step-by-Step Guide - How to Change RDP Port When 3389 Is Taken-Outlook Exchange Setup: Connection Refused Error

Updated 2026-06-14 04:25:49windows-fixes
Fix Task Scheduler Version Mismatch Error: Step-by-Step Guide - How to Change RDP Port When 3389 Is Taken-Outlook Exchange Setup: Connection Refused 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.