We are currently running a fairly upto date version of 1.6E under CMS7. When we migrated to SP-6 from SP-5 we kept around an old CMS 5 to run listserv. We migrated to VM/ESA (370 option) in March and just let the old CMS 5 hang around. Too many other things to worry about. Last week, after talking with Eric, we brought up listserv on CMS 7 to see what would happen. We are running it in a 6MB virtual machine and without any auto-reboot to clean up free storage. I must admit we are not a major listserv hub so are traffic is nothing like PUCC or someone of that size. So far we have had no problems with listserv under CMS 7. I have kept Eric up to date on the situation. My feeling is that CMS 7 much cleaner than CMS 6. We had a lot of things work better under 7 than we did under 6 even with a reel of patches. In general if you are moving to ESA/370 you should be pleased with the installation and be releaved to find very few APARS against it compared with SP-6. Your only concern would be if you are running any of the Systems Center VMCenter or VMCenter II products. If you are you should contact them BEFORE migrating to VM/ESA. -Fred-