As explained in previous emails, WMI queries are getting failed on majority of your system and hence the users are unable to authenticate themselves through CTAS.
Unless the WMI query is not succeeded, CTAS authentication would never be working properly.
Its a windows related dependency and it would not be possible for us to rectify the same. If you intend to use the same you may take the help of concerned Windows support Team and get the issue rectified.
You may get back to us once you rectify the reported issue at your end.
If you need any other workaround solution to avoid such dependency, you may choose the below