Subject Re: [firebird-support] Multiple Processes with Embedded firebird....
Author Elmar Haneke
> Is it possible to have two programs on one computer accessing the same fdb
> file at the same time? Seems to work fine with Superserver. I seem to recall
> seeing that there were limitations in this regard on Embedded but cannot
> find a definitive reference.

The embedded Engine allows to open a database by one process only.

The superserver behaves similar, but othere processes can connect by
networking to access the database.

> I am getting IO errors when the second app tries to connect to the database.
> Is there any way to do it? I am using the .NET provider with fb1.5.

You see the error since the FDB-file ist locked. Without this lock the
file would be rapidly damaged.