> (4) Setup the first instance as a service, manually change its service
> names in the registry, install the second instance as a service.

This one?
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\FirebirdGuardianDefaultInstance

Is it the DisplayName string?

> Yes, with one note: neither instance should be registered via
> instreg. Only instsvc is allowed.

But how do applications find the path for fbclient.dll then?


Regards

Stefan


--
Stefan Heymann
www.destructor.de/firebird