I am having windows 2003 and exchange 2003 setup. Sometime, User's complaint that they are unable to see any user in OWA GAL (or check name is not working). And after some time it comes back automatically. I check all the events logs on AD+EX and no error found. Please note that Outlook user does not have this issue. I think by functionality OWA does not use Exchange GAL, instead it directly search in AD. Any idea why this is happening? Thanks, Manjeet