>I am moving sites and databases to Windows Server 2008 x64 Web Edition.
>I have Firebird 2.5 Beta, and dotnet provider 2.1

>The sites come up, can connect to the db and read from it, but cannot write.

>I have given liberal permissions to the folder where the databases reside,
>but it does not help.

>Has anyone encountered this?

Hi
With SQLExpress require to add permision to NETWORK SERVICES and ASP.NET .

Have you try to execute procedure that write in db ?
Could be your database read-only ?

Regards,
Paul