Users may run into this issue during VxRail cluster upgrade and, as per Dell VxRail team, this is an intermittent issue which will work with the workaround provided below.
Symptoms:
During VxRail upgrade from 7.0.371 to 8.0.100 the upgrade may fail with the error. "Upgrade cannot continue because the NSX VIB is an incompatible version on host esxi.domain.local". Also, in NSX, hosts -> NSX Configuration is in a failed state.