We just updated our Listserv from 14.4 to 15.5. At the same time moving it from a SUN 280R running Solaris 8 to SUN 280R running Solaris 10. The upgrade was successful when we tested it with a limited number of lists (about a dozen). Then we moved the entire system over with 1,300 lists. The system works but seems to run very slowly. With only three site managers signed in and running tests, the web interface was slow to respond and the subscriber's page would timeout while reloading. We think that everything is functioning properly but find the slowness unacceptable. We're hoping this is just a configuration issue and that some tweaking and fine tuning will relieve the slowness. Does anyone have any insight into where we should look? thanks, Mike