Cannot set-hvpool immediately after add-hvpool

[bluedevils23]

set-hvpool get error messages like:

Set-HVPool : No desktopsummarydata found with pool name: [W1064_Ent] At C:\Users\administrator.WBD\AppData\Local\Temp\win_remote\BrokerAddManualPool2.ps1:55 char:1

• Set-HVPool -PoolName $PoolId -enableHTMLAccess:$true -Confirm:$false

•   + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,Set-HVPool