After upgrading the network edition from 6.08 to 6.09 'zmcontrol status' reports that everything is running and indeed everything works from a user perspective. However, the daily mail report reports 0 of everything and when logging in via the web admin console there is nothing but red X'es in the server status. Also, server statistics reports "service.FAILURE Method: GetLoggerStatsRequest Details:soap:Receiver".
Based on [SOLVED] ZIMBRA LOG error the following steps were tried:
Run (as root): '/opt/zimbra/libexec/zmsyslogsetup'
Run (as zimbra): 'zmcontrol stop' followed by 'zmcontrol start'
But it did not solve the issue.