Error message when you try to connect to a Web site that is published by using ISA Server 2004 Service Pack 2: "403" or "500"

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'
' Copyright (c) Microsoft Corporation. All rights reserved.
' THIS CODE IS MADE AVAILABLE AS IS, WITHOUT WARRANTY OF ANY KIND. THE ENTIRE
' RISK OF THE USE OR THE RESULTS FROM THE USE OF THIS CODE REMAINS WITH THE
' USER. USE AND REDISTRIBUTION OF THIS CODE, WITH OR WITHOUT MODIFICATION, IS
' HEREBY PERMITTED.
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' This script adds a new VendorParametersSets under the array root.
' add a new VendorParametersSet and add a value name "AllowAskBasicAuthOverNonSecureConnection" set to 1.
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Sub AddAllowAskBasicAuthOverNonSecureConnection()

    ' Create the root object.
    Dim root  ' The FPCLib.FPC root object
    Set root = CreateObject("FPC.Root")

    ' Declare the other objects that are required.
    Dim array       ' An FPCArray object
    Dim VendorSets  ' An FPCVendorParametersSets collection
    Dim VendorSet   ' An FPCVendorParametersSet object

    ' Get references to the array object
    ' and the network rules collection.
    Set array = root.GetContainingArray
    Set VendorSets = array.VendorParametersSets

    On Error Resume Next
    Set VendorSet = VendorSets.Item( "{143F5698-103B-12D4-FF34-1F34767DEabc}" )

    If Err.Number <> 0 Then
        Err.Clear

        ' Add the item
        Set VendorSet = VendorSets.Add( "{143F5698-103B-12D4-FF34-1F34767DEabc}" )
        CheckError
        WScript.Echo "New VendorSet added... " & VendorSet.Name

    Else
        WScript.Echo "Existing VendorSet found... value- " &  VendorSet.Value("AllowAskBasicAuthOverNonSecureConnection")
    End If

    if VendorSet.Value("AllowAskBasicAuthOverNonSecureConnection") <> 1 Then

        Err.Clear
        VendorSet.Value("AllowAskBasicAuthOverNonSecureConnection") = 1

        If Err.Number <> 0 Then
            CheckError
        Else
            VendorSets.Save false, true
            CheckError

            If Err.Number = 0 Then
                WScript.Echo "Done, saved!"
            End If
        End If
    Else
        WScript.Echo "Done, no change!"
    End If

End Sub

Sub CheckError()

    If Err.Number <> 0 Then
        WScript.Echo "An error occurred: 0x" & Hex(Err.Number) & " " & Err.Description
        Err.Clear
    End If

End Sub

AddAllowAskBasicAuthOverNonSecureConnection