This command-line tool is being deprecated and may not be available in the future. Instead, you can use Windows PowerShell ...

This command-line tool is being deprecated and may not be available in the
future. Instead, you can use Windows PowerShell cmdlets to administer failover
clusters.

The syntax of this command is:

CLUSTER [[/CLUSTER:]cluster-name] GROUP 

 =
  [group-name] [/STAT[US]]
  /NODE:node-name
  /PROP[ERTIES]
  /PRIV[PROPERTIES]
  group-name /PROP[ERTIES] []
  group-name /PRIV[PROPERTIES] []
  group-name /PROP[ERTIES][:propname[,propname ...] /USEDEFAULT]
  group-name /PRIV[PROPERTIES][:propname[,propname ...] /USEDEFAULT]
  group-name /CREATE
  group-name /DELETE
  group-name /REN[AME]:new-group-name
  group-name /MOVE[TO][:node-name] [/WAIT[:timeout-seconds]]
  group-name /ON[LINE][:node-name] [/WAIT[:timeout-seconds]]
  group-name /OFF[LINE] [/WAIT[:timeout-seconds]]
  group-name /LISTOWNERS
  group-name /SETOWNERS:node-name[,node-name ...]
  group-name /CLEAROWNERS

 =
  name=value[,value ...][:] [name=value[,value ...][:] ...]

 =
  BINARY|DWORD|STR[ING]|EXPANDSTR[ING]|MULTISTR[ING]|SECURITY|ULARGE|LARGE|LONG

CLUSTER GROUP /?
CLUSTER GROUP /HELP