Forum OpenACS Q&A: Response to Mulitiple OpenACS installations on the same machine

Right...the installation guide...

"You can only have one ArsDigita Community System running from a single nsd process (though you can have as many ACS servers as you like on a physical machine; each just needs its own process). A big reason for this is that in the [ns/parameters] section of the AOLserver .ini file you need to say

auxconfigdir=/web/yourdomain/parameters