>>Are you certain the server OS on site showing the error is XP and not Vista or Win7 ?
>
>I think I say "Often W 7 almost never XP"
>I mean problem is usually W 7 rare/seldom XP

question was intended to make sure it is not some variant of SMB2 errors, which only occur when client and server are newer than XP - which you specified under "network", which I interpret as "server OS", whereas "OS" I interpret as client OS.