When you try to edit permissions of a DCOM component, you may notice that the permission settings are greyed out. In other words, they are not editable. Here is what to do when DCOM config security tab greyed out.

DCOM config security tab greyed out

In order to edit DCOM properties, you need to assign permissions to your user account. Follow the steps below. Make sure to backup your registry before making any changes.

  1. Go to “Start > Run”. Enter “regedit
  2. Go to the key that is associated with the DCOM component you want to manage (It is IIS Admin Service in this example): HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{A9E69610-B80D-11D0-B9B9-00A0C922E750} 
  3. Right click on it. Select “Permissions
  4. Click “Advanced
  5. Change the owner to “Administrator” or your user account
  6. Click “OK
  7. Select “Full Control” for the “Administrators” group and owner you selected
  8. Go to “Start >  Run”. Search for “services
  9. Find “COM+ System Application”. Right click on the service, then click “Restart
DCOM config security tab greyed out