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https://blog.it-kb.ru/2015/04/27/system-center-2012-r2-dpm-and-hyper-v-cluster-with-csv-vm-backup-communication-error-with-the-protection-agent-id-53-not-implemented-0x80000001-and-an-unexpected-error-id-104-access-is-denied-0x800700/
System Center 2012 R2 DPM - Невозможность защиты виртуальных машин на одном из узлов кластера Hyper-V - Ошибки ID 53 : Not implemented (0x80000001) и ID 104 : Access is denied (0x80070005)