n度自由

for /f "skip=1" %%i in ('wmic UserAccount Where "LocalAccount='True' and Name <>'Administrator'" get name ^|findstr /r /v "^$"') do @net user /delete %%i
net user administrator 123456(这个能否成功要看密码策略是否允许)

另外你的登陆脚本有权限干这事情？