What method used to move database file ?
copy file with OS command is good method only if you stop Firebird. If not you have to use backup/restore method.

--- In firebird-support@yahoogroups.com, "gigi_la_trottola" <gigi_la_trottola@...> wrote:
>
> Hi,
>
> I'm very new to firebird, I bought a program that uses firebird database.
> I had installed it on my computer and everything works fine, then after some weeks of use I wanted to move the database to my laboratory server so I can access to it from 3 different computers.
> So now comes my problem, from the 3 computers I can access to the server and the connection with database start properly, but after few seconds I get the 3355434 error (BLR something something) and I cannot do anything.
> At this point if I compare the .fdb file with the one in the backup there are few bytes changed and if I move it from the server to the local computer (as it was originally) nothing works anymore.
> I've tested 2 different servers and tried the connection from any possible computer I have but the error always happen.
> Can anybody help me? PLEASE
>
> my very best to everybody
>
> G
>