nic power management changes after a reboot

Hi,
 
We are running Windows 7 Enterprise, fully patched on Dell Optiplex 745, 755, 760, and 980 computers and I can duplicate this on all of them.
I go into Device Manager -> Network Card -> Power management.  Check the boxes that we want.  Close Device Manager.  Reopen Device Manager to check that the change took.  It did.  Reboot.  All Power Management settings for the nic are now unchecked.
Normally we run a script to do this, but it doesn't matter whether you make the change via script or by hand, the Power Management settings always revert back to all three boxes unchecked after a reboot.
As long as the computer isn't rebooted or shut down, the setting sticks for at least several days, the longest time we've tested.
I found one thread that said this was a known issue, but the link to the answers.microsoft.com page came up 404. 
Any ideas?
 
Here's the script, but like I said, it doesn't matter whether by script or by hand.
On Error Resume Next

Const wbemFlagReturnImmediately = &h10
Const wbemFlagForwardOnly = &h20

arrComputers = Array(".")
For Each strComputer In arrComputers
    Set objWMIService = GetObject("winmgmts:\\" & strComputer & "\root\WMI") 
    Set colItems = objWMIService.ExecQuery("SELECT * FROM MSPower_DeviceEnable", "WQL", wbemFlagReturnImmediately + wbemFlagForwardOnly) 
    Set colItems3 = objWMIService.ExecQuery("SELECT * FROM MSPower_DeviceWakeEnable", "WQL", wbemFlagReturnImmediately + wbemFlagForwardOnly) 
    Set objWMIservice2 = GetObject("winmgmts:\\" & strComputer & "\root\cimv2") 
    Set Colitems2 = objWMIService2.ExecQuery("Select * From Win32_NetworkAdapter") 
    For Each objItem in Colitems2
        if objitem.adaptertypeID = 0 and objitem.netconnectionid <> "" and (objitem.adaptertypeID = 0 and ( instr(1,objitem.netconnectionid,"wireless",1) = 0)) and objitem.adaptertypeID = 0 and objitem.manufacturer <> "Microsoft" then

       
            For Each objItem2 In colItems
                ''wscript.echo LEN(objitem.PNPDeviceID)
                ''wscript.echo LEN(objItem2.InstanceName)
                IF LEN(objitem.PNPDeviceID) <= LEN(objItem2.InstanceName) THEN
                    IF UCASE(objItem.PNPDeviceID) = LEFT(ucase(objItem2.InstanceName),LEN(objitem.PNPDeviceID)) THEN
                        'wscript.echo "Active: " & objItem2.Active
                        'wscript.echo "Enable: " & objItem2.Enable
                        'wscript.echo "InstanceName: " & objItem2.InstanceName
                        objitem2.enable =  "0"
                        objitem2.Put_()
                        'wscript.echo
                        For Each objItem3 In colItems3
                            IF LEN(objitem.PNPDeviceID) <= LEN(objItem3.InstanceName) THEN
                                IF UCASE(objItem.PNPDeviceID) = LEFT(UCASE(objItem3.InstanceName),LEN(objitem.PNPDeviceID)) then
                                    'wscript.echo "Active: " & objItem3.Active
                                    'wscript.echo "Enable: " & objItem3.Enable
                                    'wscript.echo "InstanceName: " & objItem3.InstanceName
                                    objitem3.enable =  "1"
                                    objitem3.Put_()
                                   
                                END IF
                            END IF
                        Next
                    end if           
                end if  
            Next
        end if
    Next
Next

Set objReg=GetObject("winmgmts:impersonationLevel=impersonate!\\" & strComputer & "\root\default:StdRegProv")
' Connect to Root\Cimv2 and Root\Wmi namespaces

Set objCimv2 = GetObject("winmgmts:root\cimv2")
Set objWmi = GetObject("winmgmts:root\wmi")

' Get all network adapters where IPEnabled is true

Set colAdapterConfigs = objCimv2.ExecQuery ("Select * From Win32_NetworkAdapterconfiguration Where IPEnabled = True")

For Each objAdapterConfig In colAdapterConfigs
    Set colAdapters = objAdapterConfig.Associators_(, "Win32_NetworkAdapter")
    For Each objAdapter In colAdapters 
        ' Get the matching MSNdis_DeviceWakeOnMagicPacketOnly instance

        Set colDeviceWakeOnMagicPacketOnly = objWmi.ExecQuery _
        ("Select * From MSNdis_DeviceWakeOnMagicPacketOnly " _
        & "Where InstanceName Like '" _
        & Replace(objAdapter.PNPDeviceId, "\", "\\") & "%'") 

        ' Enable "Only allow management stations to bring the computer out of standby"
        For Each objDeviceWakeOnMagicPacketOnly In colDeviceWakeOnMagicPacketOnly
            objDeviceWakeOnMagicPacketOnly.EnableWakeOnMagicPacketOnly = False
            objDeviceWakeOnMagicPacketOnly.Put_()
            'wscript.echo "Enabled Magic Packet Only on " & objAdapter.Name
        Next
    Next
Next
Any ideas?

Anwsers to the Problem nic power management changes after a reboot


Hi,
The issue you posted is related to TechNet and would be better suited in the TechNet community.
Please visit the link below to find a community that will offer the best support.
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 Azam – Microsoft Support.
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