DPM 2010 backup Hyper-V - VSS ERROR ID 30115

I have Windows 2008 R2 Ent running Hyper-v. Host server has 4 Virtual Machines. Host server connected to HP StorageWorks 2000sa G2 where Virtual Machines placed. All prerequisites for DPM 2010 Hyper-V Protection were done. After deploing dpm agent and creating protection group DPM has error on each Virtual Machine: DPM error: DPM failed to synchronize changes for Microsoft Hyper-V \Backup Using Child Partition Snapshot\<<VM Name>> on <<Resource Group>> because the snapshot volume did not have sufficient storage space to hold the churn on the protected computer (ID 30115 Details: VssError:Insufficient storage available to create either the shadow copy storage file or other shadow copy data. (0x8004231F)) Application log has error Sourse: CAPIVSSProvider, EventID:1, calculateReserveSize(): The vdisk doesn't have sufficient space to create snap pool:array id=00C0FFDA8645000071A7E34B00000000. After investigate the problem I understand what DPM try to backup Hyper-v with hardware vss provider to did hardware snapshot which option don't bought. How to perform DPM 2010 Hyper-v backup with Microsoft Software VSS provider? 

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Andrey