executing qtp on a remote machine

[sujaravi123]

but I have seen many forum discussing about qtp execution on a remote machine say eg:
http://www.qtpsudhakar.com/2009/07/execu...emote.html
I used the following script after configuring the prerequisites for remote execution mentioned in the above link.

Code:

Dim qtApp
Dim qtTest

'Create the QTP Application object
Set qtApp = CreateObject("QuickTest.Application", "remotemachine name")

'If QTP is notopen then open it
If  qtApp.launched <> True then

qtApp.Launch

End If

'Make the QuickTest application visible
qtApp.Visible = True

'Set QuickTest run options
'Instruct QuickTest to perform next step when error occurs

qtApp.Options.Run.ImageCaptureForTestResults = "OnError"
qtApp.Options.Run.RunMode = "Fast"
qtApp.Options.Run.ViewResults = False

'Open the test in read-only mode
qtApp.Open "D:\IBMR Testcases\Control-Demo", True

'set run settings for the test
Set qtTest = qtApp.Test

'Instruct QuickTest to perform next step when error occurs
qtTest.Settings.Run.OnError = "NextStep"

'Run the test
qtTest.Run

'Check the results of the test run
MsgBox qtTest.LastRunResults.Status

' Close the test
qtTest.Close

'Close QTP
qtApp.quit

'Release Object
Set qtTest = Nothing
Set qtApp = Nothing

but it gives permission denied error on the line
Set qtApp = CreateObject("QuickTest.Application", "remotemachine name")