Virtual export task is failing with Operating system version is unknown.
In the AppRecovery log you can find the following:
System.AggregateException: One or more errors occurred. ---> System.InvalidOperationException: Operating system version is unknown
at Replay.Core.Implementation.Export.VirtualMachineExporterFactory.Create(IEnumerable`1 volumeImagesToExport, IVirtualMachineLocation location, VirtualMachineParameters virtualMachineParameters, Guid agentId, CancellationToken cancellationToken)
at Replay.Core.Implementation.Export.ExportJob.ExportTask()
at System.Threading.Tasks.Task.Execute()
--- End of inner exception stack trace ---
---> (Inner Exception #0) System.InvalidOperationException: Operating system version is unknown
at Replay.Core.Implementation.Export.VirtualMachineExporterFactory.Create(IEnumerable`1 volumeImagesToExport, IVirtualMachineLocation location, VirtualMachineParameters virtualMachineParameters, Guid agentId, CancellationToken cancellationToken)
at Replay.Core.Implementation.Export.ExportJob.ExportTask()
at System.Threading.Tasks.Task.Execute()<--