The 'User Can Manage Other Users' permission appears greyed out in ClientNet, or an error occurs when attempting to add this permission to an existing user.
Email Security.cloud
This issue occurs when the 'Primary Login' role is assigned to the user.
To enable this permission, temporarily remove the 'Primary Login' role from the user. After setting the permission, you may reassign the 'Primary Login' role if needed.
Step 1: Remove 'Primary Login' Role
Step 2: Assign 'User Can Manage Other Users' Permission
Step 3: Reassign the 'Primary Login' Role (if required)
The changes will take effect immediately.