Dear All,
I restored my backup after server crash. OS and Zimbra Versions are same as were on the previous Server. All services are working fine as you can see. But i am unable to connect to zimbra using URL or using Zimbra Clients. It is giving the error below.

HTTP ERROR: 404
Problem accessing /. Reason:
NOT_FOUND
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Details of Zimbra Servers are given Below.

1. /etc/init.d/zimbra status
Host mailserver.abc.com
antispam Running
antivirus Running
ldap Running
logger Running
mailbox Running
mta Running
snmp Running
spell Running
stats Running
zmconfigd Running

2. zmcontrol -v
Release 7.1.1_GA_3196.RHEL5_20110527011124 CentOS5 FOSS edition.

3. cat /etc/hosts
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
192.168.20.252 mailserver.abc.com mailserver

4. cat /etc/resolv.conf
search abc.com
nameserver 192.168.20.4
nameserver 192.168.20.12

5. dig abc.com mx

; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>> abc.com mx
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25985
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

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

;; ANSWER SECTION:
abc.com. 3600 IN MX 10 mailserver.abc.com.

;; ADDITIONAL SECTION:
mailserver.abc.com. 3600 IN A 192.168.20.252

;; Query time: 15 msec
;; SERVER: 192.168.20.4#53(192.168.20.4)
;; WHEN: Sat Sep 22 16:44:02 2012
;; MSG SIZE rcvd: 82

6. host `hostname`
mailserver.abc.com has address 192.168.20.252

Kindly guide me how i can troubleshoot this issue....