i am trying to install zimbra at Redhat6 64bit but i get this error :
zmldapinit error line 137
in ldap configuration part.
some additional info :

Zimbra Version
7.2.0_GA/zcs-7.2.0_GA_2669.RHEL6_64.20120410002025.tgz

host $(hostname)
mail.test.com has address 192.168.56.101

cat /etc/host
192.168.56.102 mail.test.com
127.0.0.1 localhost
::1 localhost

dig mx test.com
; <<>> DiG 9.7.0-P2-RedHat-9.7.0-5.P2.el6 <<>> mx test.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10809
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2

;; QUESTION SECTION:
;test.com. IN MX

;; ANSWER SECTION:
test.com. 3600 IN MX 10 mail.test.com.

;; AUTHORITY SECTION:
test.com. 3600 IN NS ns1.test.com.

;; ADDITIONAL SECTION:
mail.test.com. 3600 IN A 192.168.56.101
ns1.test.com. 3600 IN A 192.168.56.102

;; Query time: 4 msec
;; SERVER: 192.168.56.102#53(192.168.56.102)
;; WHEN: Tue Apr 24 14:28:18 2012
;; MSG SIZE rcvd: 97


dig test.com any
; <<>> DiG 9.7.0-P2-RedHat-9.7.0-5.P2.el6 <<>> test.com any
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 28567
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 2

;; QUESTION SECTION:
;test.com. IN ANY

;; ANSWER SECTION:
test.com. 3600 IN SOA ns1.test.com. root.test.com. 2011071001 3600 1800 604800 86400
test.com. 3600 IN NS ns1.test.com.
test.com. 3600 IN MX 10 mail.test.com.

;; ADDITIONAL SECTION:
ns1.test.com. 3600 IN A 192.168.56.102
mail.test.com. 3600 IN A 192.168.56.101

;; Query time: 3 msec
;; SERVER: 192.168.56.102#53(192.168.56.102)
;; WHEN: Tue Apr 24 14:28:55 2012
;; MSG SIZE rcvd: 138