Upgrade zimbra 8.6 ke versi 9.0 berhasil, setelah proses Restart Service muncul error : Starting ldap...Done. Starting zmconfigd...Done. Starting dnscache...Done. Starting logger...Done. Starting mailbox...Failed. Starting memcached...Done. Starting proxy...Done. Starting amavis...Done. Starting antispam...Done. Starting antivirus...Done. Starting opendkim...Done. Starting snmp...Done. Starting spell...Done. Starting mta...Done. Starting stats...Done. Starting service webapp... Failed. Starting zimbra…