Server not found in kerberos database

[liulg]

csri at sonata-software.com (Srinivas Cheruku) wrote in message news:<E0315628431FD611BB4300C04F1523769A3547 at BG1MAIL>...
> > When i want to get  a ticket by kinit,such as "kinit -f test",Ii can
> > get a ticket.but when i telnet the telnet server machine
> > 10.30.10.56,through "telnet -a -f -x 10.30.10.56", ,it tell me that
> > "Server not found in kerberos database".
> 
> Look into the KDC log file and you will come to know which service principal
> it is looking into to get the service ticket. 
> 
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Thanks.
I get those messages ,can you help me.
such as :

Apr 10 16:39:27 10.30.10.56 krb5kdc[856](info): AS_REQ
10.30.10.56(88): ISSUE: authtime 1018427967, test at 10.30.10.56 for
krbtgt/10.30.10.56 at 10.30.10.56
Apr 10 16:39:50 10.30.10.56 krb5kdc[856](info): TGS_REQ
10.30.10.56(88): UNKNOWN_SERVER: authtime 1018427967, test at 10.30.10.56
for krbtgt/30.10.56 at 10.30.10.56,
Server not found in Kerberos database
Apr 10 16:39:50 10.30.10.56 krb5kdc[856](info): TGS_REQ
10.30.10.56(88): UNKNOWN_SERVER: authtime 1018427967, test at 10.30.10.56
for krbtgt/30.10.56 at 10.30.10.56,
Server not found in Kerberos database
Apr 10 16:39:50 10.30.10.56 krb5kdc[856](info): TGS_REQ
10.30.10.56(88): UNKNOWN_SERVER: authtime 1018427967, test at 10.30.10.56
for krbtgt/30.10.56 at 10.30.10.56,
Server not found in Kerberos database
Apr 10 16:39:50 10.30.10.56 krb5kdc[856](info): TGS_REQ
10.30.10.56(88): UNKNOWN_SERVER: authtime 1018427967, test at 10.30.10.56
for krbtgt/30.10.56 at 10.30.10.56,
Server not found in Kerberos database

I do not know what to do .