TriggerSchedule method does not get trigger

[newtoWMI]

I am using the following code to trigger a machine policy check remotely.
However The TriggerSchedule method does not get trigger. The code works it
compiles and runs fine. I am also able to connect the the remote machine but
nothing gets triggered. Here is the code...Any help will be appreciated:)

Dim strConnectionString As String = "\\" & strOldComputerName & "\root\ccm"

Dim scope As ManagementScope

scope = New ManagementScope(strConnectionString)

scope.Connect()

Dim mgmtClass As ManagementClass = New ManagementClass(scope.Path.Path,
"SMS_Client", Nothing)

Dim inParams As ManagementBaseObject =
mgmtClass.GetMethodParameters("TriggerSchedule")

inParams("sScheduleID") = "{00000000-0000-0000-0000-000000000021}"

Dim outParams As ManagementBaseObject =
mgmtClass.InvokeMethod("TriggerSchedule", inParams, Nothing)