Requesting help regarding logger not starting up (timestamp check failed)

zmcontrol -v
Release 6.0.5_GA_2213.RHEL5_20100202220948 CentOS5 FOSS edition.

zmcontrol status
antispam Running
antivirus Running
ldap Running
logger Stopped
zmlogswatchctl is not running
mailbox Stopped
zmmailboxdctl is not running.
mta Running
snmp Running
spell Running
stats Stopped

zmcontrol start
Unable to determine enabled services from ldap.
Enabled services read from cache. Service list may be inaccurate.
Starting logger...Failed.
Starting logswatch...ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.net.ssl.SSLHandshakeException sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: timestamp check failed)
zimbra logger service is not enabled! failed.
Starting mailbox...Done.
Starting antispam...Done.
Starting antivirus...Done.
Starting snmp...Done.
Starting spell...Done.
Starting mta...Done.
Starting stats...Done.

Verified DNS and everything is working fine.

Tried recreating self-signed certificate, but errors with the following:

./zmcertmgr createca -new
** Creating /opt/zimbra/ssl/zimbra/ca/zmssl.cnf...done
** Creating CA private key /opt/zimbra/ssl/zimbra/ca/ca.key...done.
** Creating CA cert /opt/zimbra/ssl/zimbra/ca/ca.pem...done.

./zmcertmgr createcrt -new -days 365
Validation days: 365
** Creating /opt/zimbra/conf/zmssl.cnf...done
** Backup /opt/zimbra/ssl/zimbra to /opt/zimbra/ssl/zimbra.20100910112948
** Generating a server csr for download self -new -keysize 1024
** Creating /opt/zimbra/conf/zmssl.cnf...done
** Backup /opt/zimbra/ssl/zimbra to /opt/zimbra/ssl/zimbra.20100910112948
** 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.

./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.

Any help is appreciated, Thank You in advance