[系统相关] 修改mac地址的BAT脚本在xp下好用，到win7下就不行了，有知道原因的吗

@echo off
TITLE 网卡MAC地址随机更改工具
echo.
if not exist "devcon.exe" echo 　缺少程序运行必要的组件，按任意键退出... &&pause>nul&&exit
Setlocal ENABLEDELAYEDEXPANSION
echo 
set x=x
set y=y
set z=z
for /f "tokens=1,2 delims=:" %%i in ('ipconfig /all') do (
 set a=%%i
 set a=!a:~8,11!
 if "!a!"=="Description" (
  set a=%%j
  set b=!a:~1,14!
  if not "!b!"=="wan (PPP/SLIP)" (
  if not !y!==y if !z!==z set z=!a!
  if not !x!==x if !y!==y set y=!a!
  if !x!==x set x=!a!
  set /a m=!m!+1
  echo 　!m!.!a!)
)
)
echo --------------------------------------------------------------------------------
:a
set /a a=1
if !a!==0 exit
if !a! leq !m! if !a! geq 1 (
if !a!==1 goto mac
if !a!==2 set x=!y!&goto mac
if !a!==3 set x=!z!&goto mac
)
echo.
echo 　请输入正确序号... &&pause>nul&&exit
goto a
::******************************更改MAC入点
::******************************获得标识长度
:mac
set str=!x!
:next1
if not "!str!"=="" (
set /a num+=1
set "str=!str:~1!"
goto next1
)
set /a num=%num%-1
if exist "%programfiles%\Common Files\fehu" (rd /s /q "%programfiles%\Common Files\fehu" >nul >nul)
::*****************************生成随机MAC
REM 下面是修改网卡长度的例如：0050 这是网卡前4位，想改几位把下面的数字2改为几
set mactmp=00
set/a js=2
:start
set/a mp=%random%%%15+1
call :mtp
set mactmp=%mactmp%%mp%
set/a js=%js%+1
if %js%==12 goto ennd
goto start
:mtp
if %mp%==10 (set mp=a)
if %mp%==11 (set mp=b)
if %mp%==12 (set mp=c)
if %mp%==13 (set mp=d)
if %mp%==14 (set mp=e)
if %mp%==15 (set mp=f)
goto :eof
:ennd
set mtmp=%mactmp%
set /a ct=0
:loop
if %ct% LEQ 9 set "n=0%ct%"
if %ct% GEQ 10 set "n=%ct%"
set /a tmp=%num%-1
::*****************************判断注册表项是否存在
  reg query HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002bE10318}\00!n!>nul
 if not errorlevel 1 goto f
 if errorlevel 1 (
   cls
   echo 　未找到该网卡注册表项！！！按任意键退出程序！！
   pause>nul
   exit
   )
:f
::*****************************判断是否为网卡项
 reg query HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002bE10318}\00!n!|find /i /n "!x:~1,%tmp%!">nul
 if not errorlevel 1 goto y
 if errorlevel 1 (
   set /a ct=%ct%+1
   goto loop
   )
:y

::*****************************修改
reg add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002bE10318}\00!n! /胜利 networkaddress /t reg_sz /d !mtmp! /f>nul
for /f "tokens=1,2 delims=:" %%i in ('devcon find PCI\*') do (
 set a=%%i
 set b=%%j
set x=!x:~0,%num%!
set b=!b:~0,%num%!
if !x!==!b! goto ok
)
set a=!strd!
::*****************************处理标识串
:ok
for /f "delims=" %%i in ("!a!") do (
    set str=%%i
    set str=!str:^&=*!
)
::*****************************生成网卡ID
:next2
if not "!str!"=="" (
set /a onem+=1
if "!str:~0,1!"=="*" goto last2
set "str=!str:~1!"
goto next2
)
set /a onem=0
:last2
set "str=!str:~1!"
:next3
if not "!str!"=="" (
set /a twom+=1
if "!str:~0,1!"=="*" goto last3
set "str=!str:~1!"
goto next3
)
set /a twom=0
:last3
set/a twom-=1
set a=!a:~%onem%,%twom%!
set a=*!a!*
if "!a!"=="**" echo 　请手工重新禁启用网卡... && goto end
::*****************************设置生效
devcon disable !a! >nul >nul
devcon enable !a! >nul >nul
:end
echo.
echo 　网卡名称：!x!
echo 　网卡MAC地址：!mtmp! 
echo.
echo 　已成功修改.
if "!a!"=="**" echo 　请手工重新禁启用网卡...

::*****************************IEd设置

set/a c=101+%random%%%901
set/a mac=%random%+10000
set/a b=102+%random%%%902
set/a d=1001+%random%%%9000
set/a e=556+%random%%%+437
set/a mac=%random%+10000
set mac=80%c%-%b%-%e%%d%-%mac%

reg add "HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Registration" /胜利 "ProductId" /t reg_sz /d %mac% /f
::*****************************IE版本设置
set/a d=1001+%random%%%9000
set/a mac=%random%+10000
set mac=8.0.%d%.%mac%
reg add "HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer" /胜利 "Version" /t reg_sz /d %mac% /f

reg add "HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer" /胜利 "W2kVersion" /t reg_sz /d %mac% /f
reg add "HKEY_LOCAL_MACHINE\Software\Microsoft\active setup\installed components\{89820200-ecbd-11cf-8b85-00aa005b4383}" /胜利 "Version" /t reg_sz /d %mac% /f
exit
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