Directory server fails to start with error "Peer's Certificate has expired"

Issue

Directory server is failing to start with following error

Shutting down dirsrv: 
    <INSTANCE NAME>...                                           [  OK  ] 
Starting dirsrv: 
    <INSTANCE NAME>...
[18/Aug/2010:09:17:39 +0800] config - Unknown attribute changeT ype will be ignored 
[18/Aug/2010:09:17:39 +0800] config - Unknown attribute replace will be ignored 
[18/Aug/2010:09:17:39
 +0800] - SSL alert: CERT_VerifyCertificateNow: verify cer tificate 
failed for cert server-cert of family cn=RSA,cn=encryption,cn=config ( 
Netscape Portable Runtime error -8181 - Peer's Certificate has expired.)

[18/Aug/2010:09:17:39 +0800] - SSL failure: None of the cipher are valid 
                                                           [FAILED] 
  *** Warning: 1 instance(s) failed to start