ESXi 5.1 and Importing a Fusion VM

I am in the process of moving several VMs created in VMWare Fusion 5 into ESXi 5.1, which I just installed on a Mac Mini Server. I am able to connect just fine via the Windows application installed on another VM. I have created two OVF files, one for Server 2003 and another for Server 2012. Both files were created without incident. I am able to upload them to the ESXi server seemingly without issue as well.

However, when I start either of the VMs, I get the following error(s):

Console:

And in the GUI:

I'm unsure how to proceed, as I have followed the steps outlined to create an OVF file and upload it to the ESX. Both of these VMs work fine through Fusion.

Thanks for your help,

David