To uninstall the PowerCLI View Snapin, run the following PowerShell script
"%programfiles%\VMware\VMware View\Server\extras\PowerShell\uninstall-snapin.ps1"
and after that, the add-snapin.ps1 in the same directory to reinstall it.
Could you also fire the Get-Pool command once again and directly after the following and post the output
$Error[0].Exception | Select-Object -Property *
