This assumes your usernames and homdirs are the same for example : user: alfred homedir : alfred
for /F %u in ('DIR /B A*.*') do v:\tools\xcacls.exe %u /T /E /C /G %u:RCWD /y
Click Start, click Control Panel, and then click Programs. In the Programs and Features area, click "TELNET CLIENT" Apply.
netsh ip reset
more info here : http://support.microsoft.com/kb/299357 When all else fails and you still cant get your network to work , try this.