Zimbra Upgrade 7.x to 8.x

  1. download 10.04 8.x archive from http://www.zimbra.com/downloads/os-downloads.html
  2. extract
  3. run install.sh
  4. verify Zimbra is working
  5. run do-dist-upgrade
  6. restart (zimbra will not start)
  7. download 12.04 8.x archive from http://www.zimbra.com/downloads/os-downloads.html
  8. extract
  9. run install.sh (do not do db verify it will fail)