Windows 2012 R2 two node cluster. Recently backup stated failing on one server. currently using windows backup.
VSS writers inside virtual machine 'test1' failed to perform BackupComplete to its shadow copy (VSS snapshot) set: Catastrophic failure (0x8000FFFF). (Virtual machine ID C972F4FD-8D06-4C9A-9C7B-A7E8F949EA15)
VSS writers inside virtual machine 'test2' failed to perform BackupComplete to its shadow copy (VSS snapshot) set: Catastrophic failure (0x8000FFFF). (Virtual machine ID AAABC733-066B-4967-B388-D8A65D68F98E)
VSS writers on the server
Writer name: 'ASR Writer'
Writer Id: {be000cbe-11fe-4426-9c58-531aa6355fc4}
Writer Instance Id: {8cf9879b-50bc-4543-8d41-94cc0bd782ca}
State: [7] Failed
Last error: Non-retryable error
Writer name: 'Cluster Shared Volume VSS Writer'
Writer Id: {1072ae1c-e5a7-4ea1-9e4a-6f7964656570}
Writer Instance Id: {90a36925-3e0e-4cbd-89a9-e70b00c6741f}
State: [7] Failed
Last error: Timed out
Writer name: 'Microsoft Hyper-V VSS Writer'
Writer Id: {66841cd4-6ded-4f4b-8f17-fd23f8ddc3de}
Writer Instance Id: {e86cc515-b678-4af2-932e-47e223e52acc}
State: [9] Failed
Last error: Timed out
any help would be appreciated!