命令修改windows 主机名并立即生效

・修改windows主机名不重启生效。
@echo off
set pcname="winXXXXXX"
reg add "HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\ComputerName\ActiveComputerName" /v ComputerName /t reg_sz /d %pcname% /f >nul 2>nul
reg add "HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters" /v "NV Hostname" /t reg_sz /d %pcname% /f >nul 2>nul
reg add "HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters" /v Hostname /t reg_sz /d %pcname% /f >nul 2>nul

・修改windows主机名重启后生效。

wmic computersystem where "name='%computername%'" call rename "winXXXXXX"

使用随机名称：
SET pcname=wintmp%random%
wmic computersystem where "name='%computername%'" call rename %pcname%