Remove Holds and then query

Removehold.ps1

$mailboxes = Get-Mailbox
foreach ($mailbox in $mailboxes)
{
	set-mailbox $mailbox.Alias -removedelayholdapplied
	set-mailbox $mailbox.Alias -removedelayreleaseholdapplied
}


$mailboxes = Get-Mailbox
foreach ($mailbox in $mailboxes)
{
	Get-Mailbox $mailbox.Alias |FL *HoldApplied*
}