A partial kludge is to click "Re-Check My Installation" and and then "Upgrade". This leaves only the phpgw_async table missing and allows egroupware to run.
-- Egroupware schema incompatible with MySQL 5 https://launchpad.net/bugs/51053 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs