>I have 2 machines on a network connected by a Linksys Router.  Both run
>XP SP2.
>
>>From Computer A, I can ping Computer B fine.
>
>But from Computer B, when I ping Computer A, I always get "Request
>Timed Out."  If I try to ping Computer A using its' name, it returns
>the correct IP Address for that name, but still gives the Request Timed
>Out error.
>
>I can ping Computer A from Computer A using either the IP address or
>the computer name.
>
>I have tried uninstalling Zone Alarm on both machines, but there is no
>difference.  Windows firewall is not running.
>
>
>This started about 3 weeks ago.  To my knowledge, no software was
>installed.  The other error that started was with sharing resources.
>
>Also, when I had just TCP/IP as a network protocol, I started getting
>the error message "\\ComputerA\MyData is not accessible.  You might not
>have permission to use this network resource.  Contact the
>administrator of this server to find out if you have access
>permissions".
>
>I have Simple File Sharing turned on
>
>Temporarily, I have installed NetBIOS so that I could share resources.
>
>
>What else should I look at to resolve the ping and sharing issue?
>
>Thanks much,
>
>Alan