#service zimbra start

displays the following

host admin.rajasekar.com
Unable to determine enabled services from ldap.
Unable to determine enabled services. Cache is out of date or doesn't exist.

OS - centOS5
Zimbra ver-ZCS 5.0.26

I check DNS,Hosts and resolves also reconfigure the ssl certificates,when i search for ldap it shows:

ldap_url and ldap_master_url cannot be the same on an ldap replica

ldap_url://admin.rajasekar.com:389
ldap_master_url://admin.rajasekar.com:389