I've seen this too.
If the database name is prefixed with localhost: , works

--- In firebird-support@yahoogroups.com, "ra8009" <ra8009@y...>
wrote:

> I've installed Firebird-1.5.0.4201_RC8-Win32.exe on several

computers.

> All work fine expect one. On that computer I can access databases

on a

> seperate server, but I can't access local databases. I get the

message

> "Unavailable database". What could be wrong?