Consider the following troubleshooting tips when you deregister a CDI-PC domain:
Error: com.informatica.isp.tools.cloudconnect.exception.DomainAuthenticationException: User is not authorized to perform the operation. Check the cloud connect logs
This error appears when the registered domain user doesn't have administrator privileges required to deregister the domain.
Solution: Register the domain user with administrator privileges. For more error details, see the CloudConnect logs.