Hi Folks,

this client is hyper-v virtual machine with OS Windows 2012 R2 standard server edition. and avamar client agent version is 7.0.102.-47

2017-02-06 17:58:49 avtar FATAL <5372>: 0: ClusterEnum()+0x1e [0xb7e5698e] (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 1: startADE()+0x1a91a1 [0xea0b2101] (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 2: startADE()+0x1bfefd [0xea0c8e5d] (Log #1)
2017-02-06 17:58:49 avtar FATAL <0378>: nbackmain - Windows structured exception ACCESS_VIOLATION in threadID 13272 (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 3: startADE()+0x1c021f [0xea0c917f] (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 4: startADE()+0x234b6f [0xea13dacf] (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 5: startADE()+0x23719d [0xea1400fd] (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 6: startADE()+0x351bc5 [0xea25ab25] (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 7: startADE()+0x355ed2 [0xea25ee32] (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 8: startADE()+0x3567c2 [0xea25f722] (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 9: 0xe9e14934 (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 10: startADE()+0x3a9abf [0xea2b2a1f] (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 11: 0xe9b7795f (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 12: BaseThreadInitThunk()+0x22 [0xc12113d2] (Log #1)
2017-02-06 17:58:49 avtar FATAL <5372>: 13: RtlUserThreadStart()+0x34 [0xc38b54e4] (Log #1)
2017/02/06-14:58:49.83800 avtar DEBUG-ERROR <0378> nbackmain - Windows structured exception ACCESS_VIOLATION in threadID 13272 (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 7: startADE()+0x355ed2 [0xea25ee32] (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 8: startADE()+0x3567c2 [0xea25f722] (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 9: 0xe9e14934 (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 10: startADE()+0x3a9abf [0xea2b2a1f] (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 11: 0xe9b7795f (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 12: BaseThreadInitThunk()+0x22 [0xc12113d2] (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 13: RtlUserThreadStart()+0x34 [0xc38b54e4] (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 0: ClusterEnum()+0x1e [0xb7e5698e] (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 1: startADE()+0x1a91a1 [0xea0b2101] (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 2: startADE()+0x1bfefd [0xea0c8e5d] (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 3: startADE()+0x1c021f [0xea0c917f] (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 4: startADE()+0x234b6f [0xea13dacf] (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 5: startADE()+0x23719d [0xea1400fd] (Log #1)
2017/02/06-14:58:49.85299 avtar DEBUG-ERROR <5372> 6: startADE()+0x351bc5 [0xea25ab25] (Log #1)

this failure behavior is unexpected could any body help me out for this error cause and resolutions.