Thanks again Vlad!
It sounds like you have gone a few rounds with this.

Bill

>IIS (or PWS) will keep the dll in memory (ie it makes one extra reference to it) in order to boost performance of the web server.
>
>Another way is to use MTS and set the timeout to the lowest value (ie 1 minute from the MTS Manager Console or 1 sec if you go directly to the registry) for your package. But this is unreliable and, often, you'll have to kill IIS anyway.

>Vlad