Error Request is a replay

[Aruna Lakmal]

Hey guys..

These days i'm working on a single signon system. i've configured kerberos
with apache..
when i access the kerberized web page i got this message..and my credentials
didn't save
on clients..
please help me..

Apr 17 08:38:30 krb.mnetplus.com krb5kdc[3811](info): TGS_REQ (2 etypes {16
1}) 192.168.5.66: PROCESS_TGS: authtime 0,  <unknown client> for
HTTP/krb.mnetplus.com at KRB.MNETPLUS.COM, Request is a replay