Current Limitations
Cloud Hosted Active Directories: It is currently unsupported to attempt Kerberos Authentication against a Cloud Hosted Active Directory.
UPN Suffix: It is currently unsupported to attempt Kerberos Authentication using UPN Suffixes.
Trusts: It is currently unsupported to attempt Kerberos Authentication against a trusted domain.
Multiple Domains: It is currently unsupported to attempt Kerberos Authentication against multiple domains.