I have a asp.net webservice running in windows server 2003, i want it read/write to other folder that is in other machine, i have granted to this folder full acess to Network Service, IIS_user, IIS_IWAM accounts but the process fail, this is the error: System.UnauthorizedAccessException: Access to the path '\machineIp\ServerDataStore\Prueba\Editados' is denied.