I found my issue. My Storage Account network settings were preventing StarWind V2V Converter from access the storage account.

I am getting a failure when converting from a local VMDK to Azure. The Azure application seems to be working because I can see my subscriptions/resource groups/VM's/etc. but once I select convert, I get the following failure. 8/17 10:29:23.662 2fec Facility ???INFO: CV2V_ConverterApp::InitInstance: ...