dear.
when install Zimbra 7.2.0x64 in centos 6.2x64, i have a problem. I view many thread on forum, but i can not fix it. Here is my config file

# cat /etc/hosts
127.0.0.1 localhost.localdomain localhost
::1 mail.teleq.com.vn mail localhost6.localdomain6 localhost6
192.168.10.105 mail.teleq.com.vn mail

cat /etc/resolv.conf
# Generated by NetworkManager
search teleq.com.vn
nameserver 192.168.10.105


[root@mail etc]# dig teleq.com.vn mx

; <<>> DiG 9.7.3-P3-RedHat-9.7.3-8.P3.el6_2.2 <<>> teleq.com.vn mx
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 38801
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2

;; QUESTION SECTION:
;teleq.com.vn. IN MX

;; ANSWER SECTION:
teleq.com.vn. 2592000 IN MX 10 mail.teleq.com.vn.

;; AUTHORITY SECTION:
teleq.com.vn. 2592000 IN NS ns.teleq.com.vn.

;; ADDITIONAL SECTION:
mail.teleq.com.vn. 2592000 IN A 192.168.10.105
ns.teleq.com.vn. 2592000 IN A 192.168.10.105

;; Query time: 16 msec
;; SERVER: 192.168.10.105#53(192.168.10.105)
;; WHEN: Mon May 14 16:57:51 2012
;; MSG SIZE rcvd: 100
dig teleq.com.vn any

; <<>> DiG 9.7.3-P3-RedHat-9.7.3-8.P3.el6_2.2 <<>> teleq.com.vn any
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6099
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 2

;; QUESTION SECTION:
;teleq.com.vn. IN ANY

;; ANSWER SECTION:
teleq.com.vn. 2592000 IN SOA teleq.com.vn. hostmaster.teleq.com.vn. 2011030801 43200 3600 3600000 2592000
teleq.com.vn. 2592000 IN NS ns.teleq.com.vn.
teleq.com.vn. 2592000 IN A 192.168.10.105
teleq.com.vn. 2592000 IN MX 10 mail.teleq.com.vn.

;; ADDITIONAL SECTION:
ns.teleq.com.vn. 2592000 IN A 192.168.10.105
mail.teleq.com.vn. 2592000 IN A 192.168.10.105

;; Query time: 0 msec
;; SERVER: 192.168.10.105#53(192.168.10.105)
;; WHEN: Mon May 14 17:00:02 2012
;; MSG SIZE rcvd: 163
# host `hostname`
mail.teleq.com.vn has address 192.168.10.105
** Retrieving server config key zimbraSSLCertificate...failed.
** Retrieving server config key zimbraSSLPrivateKey...failed.
** Generating a server csr for download self -keysize 1024
** Backup /opt/zimbra/ssl/zimbra to /opt/zimbra/ssl/zimbra.20120514085124
** Retrieving Commercial CA cert from ldap...failed.
** Creating server cert request /opt/zimbra/ssl/zimbra/server/server.csr...done.
** Saving server config key zimbraSSLPrivateKey...failed.
** Signing cert request /opt/zimbra/ssl/zimbra/server/server.csr...done.
Mon May 14 08:51:28 2012 done.
Mon May 14 08:51:28 2012 Installing mailboxd SSL certificates...
Mon May 14 08:51:28 2012 /opt/zimbra/mailboxd/etc/keystore didn't exist.
Mon May 14 08:51:28 2012 *** Running as root user: /opt/zimbra/bin/zmcertmgr deploycrt self
** Saving server config key zimbraSSLCertificate...failed.
** Saving server config key zimbraSSLPrivateKey...failed.
** Installing mta certificate and key...done.
** Installing slapd certificate and key...done.
** Installing proxy certificate and key...done.
** Creating pkcs12 file /opt/zimbra/ssl/zimbra/jetty.pkcs12...done.
** Creating keystore file /opt/zimbra/mailboxd/etc/keystore...done.
** Installing CA to /opt/zimbra/conf/ca...done.
Mon May 14 08:51:32 2012 done.
Mon May 14 08:51:32 2012 checking isEnabled zimbra-ldap
Mon May 14 08:51:32 2012 zimbra-ldap is enabled
Mon May 14 08:51:32 2012 Initializing ldap...
Mon May 14 08:51:32 2012 *** Running as zimbra user: /opt/zimbra/libexec/zmldapinit
IO::Socket::INET: connect: Connection refused at /opt/zimbra/libexec/zmldapinit line 137.
Mon May 14 08:51:42 2012 failed. (28416)
Mon May 14 08:51:42 2012

ERROR

Mon May 14 08:51:42 2012

Configuration failed

Mon May 14 08:51:42 2012 Please address the error and re-run /opt/zimbra/libexec/zmsetup.pl to
Mon May 14 08:51:42 2012 complete the configuration.
Mon May 14 08:51:42 2012
Errors have been logged to /tmp/zmsetup.05142012-084833.log
who can help me to fix this problem? thanks you very much.