Kerberos authentication cannot be used
When you scan an Exchange On-Premises organization you see the following error
The Exchange PowerShell connection is configured to use Kerberos authentication; however, this machine is a member of a workgroup. Please provide the custom credentials in the Exchange On-Premises scan task.
Implicit Kerberos authentication cannot be used when the computer running the XIA Configuration Client machine is on a workgroup, rather than being domain joined. This is common when using the technician license and the computer running the XIA Configuration Client is separate from the environment being scanned.