An update is available for ISA Server 2006 integrated NLB that lets you add virtual IP addresses that are outside the subnet of the dedicated IP address

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An update is available for Microsoft Internet Security and Acceleration (ISA) Server 2006 integrated Network Load Balancing (NLB). This update lets you add virtual IP addresses that are outside the subnet of the dedicated IP address. There is no hotfix requirement for Forefront Threat Management Gateway (TMG), but you still need to run the script below to add virtual IP addresses that are outside the subnet of the dedicated IP address.
More information
To apply this update, follow these steps:
  1. Download and then install the hotfix package that is mentioned in the following Microsoft Knowledge Base article:
    959357 Description of the ISA Server 2006 hotfix package: October 29, 2008
  2. Start Notepad, copy the following script into a Notepad file, and then change the script according to your settings.
    Const SE_VPS_GUID = "{143F5698-103B-12D4-FF34-1F34767DEabc}"Const SE_VPS_NAME = "AdditionalVIPsAndMask"Const SE_VPS_VALUE = "<additionVIP1>/<subnetMask1>; <additionVIP2>/<subnetMask2>;"' To run: cscript confignlbAdditionalVips.vbs /Network:External' use the network name as appropriate.' You must remove comment marks on the correct line to add or remove the VPS.Sub NLBConfiguration()    ' Create the root obect.    Dim root  ' The FPCLib.FPC root object    Set root = CreateObject("FPC.Root")    'Declare the other objects needed.    Dim array         ' An FPCArray object    Dim NetworkConfig ' An FPCNetworkConfiguration object    ' Get references to the array object    ' and the protocols collection.    Set array = root.GetContainingArray    On Error Resume Next    Set NetworkConfig = array.NetworkConfiguration    CheckError    Dim Networks ' FPCNetworks    Set Networks = NetworkConfig.Networks    Dim Network         ' FPCNetwork    Set Network = Networks(WScript.Arguments.Named("Network"))    If Err.Number <> 0 Then        Wscript.Echo "Cannot find network, error- " &  Hex(Err.Number) & " " & Err.Description        Err.Clear        WScript.Quit(1)    End If    Dim VendorSets  ' An FPCVendorParametersSets collection    Dim VendorSet   ' An FPCVendorParametersSet object    Set VendorSets = Network.VendorParametersSets    CheckError    On Error Resume Next    Set VendorSet = VendorSets.Item( SE_VPS_GUID )    If Err.Number <> 0 Then        Err.Clear        ' Add the item        Set VendorSet = VendorSets.Add( SE_VPS_GUID )        CheckError        WScript.Echo "New VendorSet added... " & VendorSet.Name    Else        WScript.Echo "Existing VendorSet found... value- " &  VendorSet.Value(SE_VPS_NAME)    End If    Err.Clear'  Remove the comment mark from the following line to set VIPs. Make sure that there are no additional'  VIPs defined in the UI.''    VendorSet.Value(SE_VPS_NAME) = SE_VPS_VALUE'  Remove the comment mark from the following line to delete the VPS.''    VendorSet.RemoveValue(SE_VPS_NAME)    If Err.Number <> 0 Then        CheckError    End If    Networks.Save false, true    WScript.Echo "Done saving..."End SubSub CheckError()    If Err.Number <> 0 Then        WScript.Echo "An error occurred: 0x" & Hex(Err.Number) & " " & Err.Description        Err.Clear    End IfEnd SubIf Not WScript.Arguments.Named.Exists("Network") Then    WScript.Echo "Network not defined"    WScript.Quit(1)End IfNLBConfiguration
    • Use appropriate virtual IP addresses and subnet masks to replace the placeholders in the following line.
      Const SE_VPS_VALUE = "<additionVIP1>/<subnetMask1>; <additionVIP2>/<subnetMask2>;"
      For example, modify the line as follows.
      Const SE_VPS_VALUE = ";;"

      The semicolon must appear even if there is only one additional virtual IP address.
    • Important The list of the additional virtual IP addresses must not contain the dedicated IP address.
    • Important The list of the additional virtual IP address must not contain the same virtual IP address multiple times.
    • Important The IP addresses added with the sctip must not contain the virtual IP address configured from the user interface (UI)
    • If the additional virtual IP addresses are added by this script, the user interface (UI) for additional virtual IP addresses in ISA Server Management Console is unavailable, however the virtual IP address added from user interface (UI) is still available for use
    • If you used ISA Server Management Console to add virtual IP addresses, the values that are added in this script are ignored.
  3. Save the file as a Microsoft Visual Basic script file by using the .vbs file name extension. For example, save the file as ConfignlbAdditionalVips.vbs in the C:\ConfignlbAdditionalVips folder.
  4. At a command prompt, move to the location of the .vbs file, and then run the .vbs file. For example, run the following commands.
    cd C:\ConfignlbAdditionalVipscscript ConfignlbAdditionalVips.vbs /Network:External
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Article ID: 959310 - Last Review: 01/16/2015 03:22:15 - Revision: 5.0

Microsoft Internet Security and Acceleration Server 2006 Service Pack 1

  • kbnosurvey kbarchive kbexpertiseinter kbfix kbsurveynew kbqfe KB959310
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