O ICACLS não está disponível para o XP
Use Xcacls.exe - exiba ou modifique as listas de controle de acesso - Windows CMD - SS64.com :
Display or modify Access Control Lists (ACLs) for files and folders. For Vista and greater use icacls.
Syntax
XCACLS filename [options] XCACLS filename
Key
If no options are specified XCACLS will display the ACLs for the file(s) options can be any combination of: /T Traverse all subfolders and change all matching files found. /E Edit ACL instead of replacing it. /x Edit ACL instead of replacing it; affect only ACEs that this user already owns* /R user Revoke all access rights from the given user. /D user Deny specified user access, this will over-ride all other permissions the user has. /C Continue on access denied errors. /Y Replace user's rights without verify /P user:permision[;FolderSpec] Replace user's rights. see /G option below /G user:permision[;FolderSpec] Grant specified user access rights, permision can be: r Read c Change (write) f Full control p Change Permissions (Special access) o Take Ownership (Special access) x EXecute (Special access) e REad (Special access) w Write (Special access) d Delete (Special access) t Used only by FolderSpec. see below
Ele pode ser baixado em Como usar o Xcacls.vbs para modificar permissões de NTFS .