Joining Azure Storage to AD Domain - Kerberos Error

Hi guys.

Hope you can help, I am attempting to join a storage account to the domain, with the following set using the azfileshybrid module:

I am running this from a domain joined PC as a domain admin.

During this I get this message and error:

and when I run Debug-AzStorageAccountAuth, I get the following:

Any ideas? I am at a bit of a loss.

Thank you.