Folks, In another school I installed samba as a PDC last week (not the same school with DNS issues!). This other samba box was suddenly being _really_ slow (7 - 10 mins for a logon), so I went to investigate (15 miles away). The log had apparently 'filled up', so it was spewing errors to the console. Primary worry: Anyone know what "Request_oplock_break: failed no response" means? It was flashing up continually. I restarted smb, and the problem was instantly solved - its back up to speed now - but I need stability, and need to feel secure that it won't happen again. Secondary worry: Even though performance is now great, and all seems well at the user end, it now says "PAM: system validation failed - user rejected" and "could not find desktop service" many many times, when a user logs on. It logs the user on instantly, so are those messages normal? It appears to have always said this, looking through the logs. Any ideas much appreciated. Anyone had this before? Are some of these messages normal? Thanks all - Matt __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page from News and Sport to Email and Music Charts http://uk.my.yahoo.com