Hyper-V Live Migrating "Migration Attempt Failed" - Error 1205
Error 1205 The Cluster service failed to bring clustered service or application "ServerName" completely online or offline. One or more resources may be in failed state. This may impact availability of clustered service or application.
Method
Disable antivirus or
Antivirus scan exclude "ClusterStorage" folder
exclude *.XML
*.VHD
*.VHDX
*.AVHD
*.AVHDX
*.VFD
*.VSV
*.ISO
exclude VMMS.exe
VMWP.exe
Optional:
exclude C:\ProgramData\Microsoft\Windows\Hyper-V
C:\Users\Public\Documents\Hyper-V\Virtual Hard Disks