I also tried the following command zmlocalconfig -s and got
av_notify_user =
admin@inszimbra.com
calendar_outlook_compatible_allday_events = true
data_source_trust_self_signed_certs = false
debug_mailboxindex_use_new_locking = true
ldap_cache_account_maxage = 15
ldap_cache_account_maxsize = 5000
ldap_cache_cos_maxage = 15
ldap_cache_cos_maxsize = 100
ldap_cache_domain_maxage = 15
ldap_cache_domain_maxsize = 100
ldap_cache_server_maxage = 15
ldap_cache_server_maxsize = 100
ldap_cache_timezone_maxsize = 100
ldap_cache_zimlet_maxage = 15
ldap_cache_zimlet_maxsize = 100
ldap_connect_pool_debug = false
ldap_connect_pool_initsize = 1
ldap_connect_pool_maxsize = 50
ldap_connect_pool_prefsize = 0
ldap_connect_pool_timeout = 120000
ldap_connect_timeout = 30000
ldap_host = inszimbra.com
ldap_is_master = true
ldap_log_level = 0
ldap_master_url = ldap://inszimbra.com:389
ldap_port = 389
ldap_root_password = cuDC7H_W_6
ldap_url = ldap://zimbra.com:389
localized_msgs_directory = ${zimbra_home}/conf/msgs
logger_mysql_bind_address = localhost
logger_mysql_data_directory = ${zimbra_home}/logger/db/data
logger_mysql_directory = ${zimbra_home}/logger/mysql
logger_mysql_mycnf = ${zimbra_home}/conf/my.logger.cnf
logger_mysql_pidfile = ${zimbra_home}/logger/db/mysql.pid
logger_mysql_port = 7307
logger_mysql_socket = ${zimbra_home}/logger/db/mysql.sock
mysql_bind_address = localhost
mysql_data_directory = ${zimbra_db_directory}/data
mysql_directory = ${zimbra_home}/mysql
mysql_innodb_log_buffer_size = 8388608
mysql_innodb_log_file_size = 104857600
mysql_memory_percent = 40
mysql_mycnf = ${zimbra_home}/conf/my.cnf
mysql_pidfile = ${zimbra_db_directory}/mysql.pid
mysql_port = 7306
mysql_read_buffer_size = 1048576
mysql_root_password = zimbra
mysql_socket = ${zimbra_db_directory}/mysql.sock
mysql_sort_buffer_size = 1048576
mysql_table_cache = 500
nio_imap_enable = false
nio_imap_log_buffers = false
nio_imap_write_queue_max_size = 10240000
nio_imap_write_queue_max_size_unauth = 20480
nio_write_buffer_compaction_percent = 50
postfix_alias_maps = hash:/etc/aliases
postfix_broken_sasl_auth_clients = yes
postfix_command_directory = /opt/zimbra/postfix-${postfix_version}/sbin
postfix_daemon_directory = /opt/zimbra/postfix-${postfix_version}/libexec
postfix_header_checks = pcre:/opt/zimbra/conf/postfix_header_checks
postfix_mailq_path = /opt/zimbra/postfix-${postfix_version}/sbin/mailq
postfix_manpage_directory = /opt/zimbra/postfix-${postfix_version}/man
postfix_newaliases_path = /opt/zimbra/postfix-${postfix_version}/sbin/newaliasespostfix_queue_directory = /opt/zimbra/postfix-${postfix_version}/spool
postfix_sender_canonical_maps = ldap:/opt/zimbra/conf/ldap-scm.cf
postfix_sendmail_path = /opt/zimbra/postfix-${postfix_version}/sbin/sendmail
postfix_smtpd_client_restrictions = reject_unauth_pipelining
postfix_smtpd_data_restrictions = reject_unauth_pipelining
postfix_smtpd_helo_required = yes
postfix_smtpd_tls_cert_file = ${zimbra_home}/conf/smtpd.crt
postfix_smtpd_tls_key_file = ${zimbra_home}/conf/smtpd.key
postfix_smtpd_tls_loglevel = 1
postfix_transport_maps = ldap:/opt/zimbra/conf/ldap-transport.cf
postfix_version = 2.2.9
postfix_virtual_alias_domains = ldap:/opt/zimbra/conf/ldap-vad.cf
postfix_virtual_alias_maps = ldap:/opt/zimbra/conf/ldap-vam.cf
postfix_virtual_mailbox_domains = ldap:/opt/zimbra/conf/ldap-vmd.cf
postfix_virtual_mailbox_maps = ldap:/opt/zimbra/conf/ldap-vmm.cf
postfix_virtual_transport = error
search_disable_database_hints = false
ssl_allow_untrusted_certs = TRUE
stats_img_folder = ${zimbra_home}/logger/db/work
timezone_file = ${zimbra_home}/conf/timezones.ics
tomcat_directory = ${zimbra_home}/tomcat
tomcat_java_heap_memory_percent = 30
tomcat_java_home = ${zimbra_java_home}
tomcat_java_options = -client -XX:NewRatio=2
tomcat_keystore = ${tomcat_directory}/conf/keystore
tomcat_pidfile = ${zimbra_log_directory}/tomcat.pid
wiki_enabled = false
wiki_user = wiki
zimbra_admin_service_port = 7071
zimbra_attrs_directory = ${zimbra_home}/conf/attrs
zimbra_auth_always_send_refer = false
zimbra_class_mboxmanager = com.zimbra.cs.mailbox.MailboxManager
zimbra_class_provisioning = com.zimbra.cs.account.ldap.LdapProvisioning
zimbra_db_directory = ${zimbra_home}/db
zimbra_extension_common_directory = ${zimbra_home}/lib/ext-common
zimbra_extension_directory = ${zimbra_home}/lib/ext
zimbra_gid = 503
zimbra_home = /opt/zimbra
zimbra_index_directory = ${zimbra_home}/index
zimbra_index_idle_flush_time = 600
zimbra_index_lru_size = 100
zimbra_index_max_uncommitted_operations = 200
zimbra_java_home = /opt/zimbra/java
zimbra_ldap_password = cuDC7H_W_6
zimbra_ldap_user = zimbra
zimbra_ldap_userdn = uid=zimbra,cn=admins,cn=zimbra
zimbra_log4j_properties = ${zimbra_home}/conf/log4j.properties
zimbra_log_directory = ${zimbra_home}/log
zimbra_logger_mysql_password = zimbra
zimbra_mailbox_groups = 100
zimbra_mtareport_max_recipients = 50
zimbra_mtareport_max_senders = 50
zimbra_mysql_password = zimbra
zimbra_mysql_user = zimbra
zimbra_server_hostname = inszimbra.com
zimbra_spam_report_queue_size = 100
zimbra_store_directory = ${zimbra_home}/store
zimbra_store_sweeper_max_age = 480
zimbra_throttle_op_concurrency = 1000,1000,1000,1000,1000
zimbra_tmp_directory = /tmp/zimbra
zimbra_uid = 503
zimbra_user = zimbra
zimbra_zmprov_default_soap_server = localhost
zimbra_zmprov_default_to_ldap = false
zimlet_directory = ${tomcat_directory}/webapps/service/zimlet
Any idea to solve the problem.