Windows Vista Tips to allow Network access without password

In windows vista you can access computer locally without password but it does not permit to access other network computer to access it without password. But you can change this default setting.
Go to run and type there “gpedit.msc”.
It will open group policy now go to computer configuration- vista setting- security setting -local policies(here you can set many local policy as per your security demands).-security options.
Now you need to find and disable following options

Double click on accounts: limit local account use of blank password to console login only.