> I was reading the documentation of Firebird and found that it is not
> possible to use network mapped drives to hold the database file. Is
> this true?

Yes.

>If it's true can you explain me why?

Just because... :-)

No, seriously - on a mapped drive, the Firebird service cannot
control the file like it should.

With regards,

Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
Server.
Upscene Productions
http://www.upscene.com