Get-MailboxServer | Where-Object {$_.RedundantMachines -ne $null} | Get-ClusteredMailboxServerStatus | Select-Object OperationalMachines
Note: Windows 2008 Clusters must be administered by Windows 2008 OS machines.
Some Tech Stuff
Get-MailboxServer | Where-Object {$_.RedundantMachines -ne $null} | Get-ClusteredMailboxServerStatus | Select-Object OperationalMachines
Note: Windows 2008 Clusters must be administered by Windows 2008 OS machines.