Starting with Rapid Recovery 6.1 Windows Server 2016 has been supported. In some instances virtual export of a Windows Server 2016 or Windows 10 machine to an ESXi 5.5 host will fail with the following stack trace:
Replay.Common.Implementation.Virtualization.VSphereApi.EsxRemoteException: Task 'Create virtual machine' failed: A specified parameter was not correct.
. For more details open events on ESXi host/vCenter