Illegal Operation Attempted On Registry Key That Has Been Marked For Deletion When Logging Into Orchestrator

How to resolve the error - "Illegal Operation Attempted On Registry Key That Has Been Marked For Deletion " received, when Logging Into Orchestrator?

Resolution: Perform either of the following methods:

Approach #1: Do not log on to the server for interactive sessions by using a service account.

Approach #2: Disable the related Windows User Profile Service feature. Follow these steps,

  1. Open the Group Policy editor (Gpedit.msc) on the affected server
  2. Open the UserProfiles folder in the following path
  • Computer Configuration > Administrative Templates > System > UserProfiles
  1. Locate the Do not forcefully unload the user registry at user logoff setting
  2. Change the setting to Enabled.
Read more on the Illegal Operation Error .