Re: ERROR:Microsoft Hyper-V VSS Writer has failed at prepare snapshot. The error is VSS_E_WRITERERROR_NONRETRYABLE. The code is: 0x800423f4
Can you please attach the nmm.raw files from the 2 nodes as well as screenshots of the configuration of the client (all tabs) and the group configuration?
Also please attach the output of the following command:
nsrsnap_vss_save -s NW_SERVER_NAME -?