During each snapshot a full base image is transferred rather than just the incremental snapshot. In addition, the following error is identified in the agent's AppRecoveryPM logs:
ERROR 2020-02-05T11:08:58 [20] - Replay.ServiceHost.Implementation.Hosting.ServiceHost (RequestUri=https://AgentName:8006/apprecovery/api/agent/transfer/snapshots/d89f3496-4e92-4453-baa2-5f1704cf01cb/volumes/~|~~|~%3f~|~Volume{4a70abd7-2609-4a47-b8f7-e52f053ab594}~|~/blocks/changed ClientAddress=ClientAddress:55555)
Service Host Error: Service error while handling request [GET https://AgentName:8006/apprecovery/api/agent/transfer/snapshots/d89f3496-4e92-4453-baa2-5f1704cf01cb/volumes/~|~~|~%3f~|~Volume{4a70abd7-2609-4a47-b8f7-e52f053ab594}~|~/blocks/changed]: TevoGetChangedBlocks failed with error -2147024895 (0x80070001 - Incorrect function)
Request Uri: https://AgentName:8006/apprecovery/api/agent/transfer/snapshots/d89f3496-4e92-4453-baa2-5f1704cf01cb/volumes/~|~~|~%3f~|~Volume{4a70abd7-2609-4a47-b8f7-e52f053ab594}~|~/blocks/changed
Client Address: ClientAddress:55555
Identity: Negotiate:NT AUTHORITY\SYSTEM
Service: Replay.Agent.Management.Transfer.TransferManagement
Method: GetVolumeChangedBlocks
Replay.Common.Contracts.TevoLib.TevoLibraryErrorException depth 0: TevoGetChangedBlocks failed with error -2147024895 (0x80070001 - Incorrect function) (0x80131500)