Powershell with LDAP filter not excluding users (4377955)

The following cmdlet should exclude users where edsvaDeprovisionStatus is not 1, however it includes all users, including those with edsvaDeprovisionStatus=1:
Get-QADUser -SizeLimit 0 -IncludedProperties "edsvaDeprovisionStatus" -LdapFilter "(!(edsvaDeprovisionStatus=1))" -Proxy

Status:
The Active Roles product team has raised Defect request #472861. This issue will be evaluated and resolved in a future version of Active Roles.

Workaround1:
Get-QADUser -SizeLimit 0 -IncludedProperties "edsvaDeprovisionStatus" -LdapFilter "(edsvaDeprovisionStatus=NULL)" -Proxy

Workaround2:
#############################
Connect-QADService -proxy  << Replace with your Server name >>
$root = "Replace with your targeting OU DN or Domain"

foreach($user in (Get-QADUser -SearchRoot $root -IncludedProperties edsvaDeprovisionStatus,edsvaUnDeprovision -SizeLimit 0 -SearchScope OneLevel))
{

    if($user.edsvaDeprovisionStatus -ne 1)
    {
        write-host $User
    }
}
#############################