Add-LocalGroupMember -Group "Administrators" -Member "itehua.david"
Add-LocalGroupMember : No se encontró el grupo Administrators.
En línea: 1 Carácter: 1
+ Add-LocalGroupMember -Group "Administrators" -Member "itehua.david"
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (Administrators:String) [Add-LocalGroupMember], GroupNotFoundException
    + FullyQualifiedErrorId : GroupNotFound,Microsoft.PowerShell.Commands.AddLocalGroupMemberCommand

PS C:\Users\ADMIN> Add-LocalGroupMember -Group "Administradores" -Member "itehua.david"
PS C:\Users\ADMIN> Get-LocalGroupMember -Group "Administradores"



netsh advfirewall reset