I had such problem with error message on clients:
Cannot attach to password database
Solution (in this case):
On Server where IB/FB runs as service, System group needs to have
full (R/W) acces to folder where isc4.gdb is located.

Regards
"Joe Martinez" <joe@...> az al�bbiakat �rta a k�vetkezo
�zenetben news:5.1.1.6.0.20030123090002.05fe8dc8@192.168.0.100...

> I have a problem with a customer of mine. Everything was working
> perfectly. Then, last night, they did two things: 1) They installed
> Microsoft Exchange on the server, and 2) They installed the "Recommended
> Security Update" from Microsoft Windows Update (This is Windows 2000
> Server). Now, this morning, their server is refusing all incoming
> connections into Firebird. None of his client computers can
> connect. They're getting the infamous message that it can't establish a
> connection because "the server actively refused it".
>
> I've checked the things that I know to check. The network connection is
> not firewalled, the correct Services entry is there. They didn't install
> any new security programs, and didn't change any networking hardware.
>
> Does anyone know what the problem could be?
>
> -Joe
>
>
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