Tech Support
To date, the best advice I have seen in solving end-user problems:
<patzer> consultant walks over to ask that we reboot a server because somebody told him that somebody else couldn’t login
<richlow> patzer: shoot all 3 of them.
<patzer> richlowe: …and he doesn’t know who
<richlowe> check the mail server logs, if it wasn’t verbally.
<cdavies_> and then shoot everyone with failed login attempts, just to make sure
<richlowe> cdavies_: think between us we have ‘em all, right?