>
> There is a way to check if Firebird is restarted after a server crash?

In the services setup, you can define an application to launch if the
service crashes. I suppose that application could do something.

>
> If yes, when a user try to connect to a database from my application i
> can run a check to verifiy the database integrity and i can do it only
> if the firebird server or the pc server crash.

Sure, but remember that (in theory) this is unnecessary.

Adam