Stopping IBSERVER before stopping NT4

I can't understand why shutting down NT4 doesn't preventively shuts
IBSERVER service. This can be seen from Interbase.log file.

This is serious enogh for we had some corruption of databases
just shutting down NT.

Any confimation of this.

Thanks to all.

MARCO MAPELLI (OMEGA DATA S.r.l., Milan, Italy, mmape...@omegadata.com)