George,

> Can you detail anything in peticular you did out of the
> ordinary for those that are having trouble? If you followed
> some install guide, do you have a link or URL to it? Did you
> make any changes to the OS itself or to FB's defaults, if so what?

Not sure if it helps but I have written a basic guide to securing FB 1.5 on
2003 Server, available from
(http://www.tectsoft.net/Products/Firebird.aspx).

Rgds

Si Carter
TECT Software Ltd
http://www.tectsoft.net/