samba - Mar 2005 - krb5_cc_get_principal failed (No credentials cache found)

Hi i am using Samba 3.0.0-14.3E.i am not getting tickets from the ADS server
which is running on Win2K.i am seeing the logs in /var/log/samba/winbind.log
i got these messages
[2005/03/11 10:36:36, 1] libsmb/clikrb5.c:ads_krb5_mk_req(269)
  krb5_cc_get_principal failed (No credentials cache found)
[2005/03/11 11:01:00, 1] libads/ads_ldap.c:ads_name_to_sid(64)
  name_to_sid: root not found
[2005/03/11 11:01:00, 1] nsswitch/winbindd_group.c:winbindd_getgroups(959)
  user 'root' does not exist
## klist
Ticket cache: FILE:/tmp/krb5cc_0
Default principal: ramdassv@CEDEL.CO.IN
Valid starting     Expires            Service principal
03/10/05 18:43:42  03/11/05 04:43:42  krbtgt/CEDEL.CO.IN@CEDEL.CO.IN

Kerberos 4 ticket cache: /tmp/tkt0
klist: You have no tickets cached

my smb.conf is 
[global]
realm = CEDEL.CO.IN
        netbios name = qa1
        allow trusted domains = No
        workgroup = cedel
        security  = ADS
        idmap backend = idmap_rid:cedel=15000-200000
idmap uid = 15000-20000
        idmap gid = 15000-20000
         winbind use default domain = Yes
        #winbind separator = .
        winbind cache time = 10
        winbind enum users = Yes
        winbind enum groups = Yes
        winbind use default domain = Yes
        template shell = /bin/bash
        template homedir = /home/%D/%U
        use sendfile = yes
 log file = /var/log/samba/%m.log
 password server = 192.168.11.4
   encrypt passwords = yes
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
username map = /etc/samba/smbusers
[shares]
[homes]
        comment = Home Directories
        path = /home/%U
        valid users = %D+%U
        read only = no
        browseable = no

in /etc/krb5.conf
[logging]
 default = FILE:/var/log/krb5libs.log
 kdc = FILE:/var/log/krb5kdc.log
 admin_server = FILE:/var/log/kadmind.log
[libdefaults]
 ticket_lifetime = 24000
 clockskew = 300
 Dns_lookup_realm = false
 Dns_lookup_kdc = false
 default_realm = CEDEL.CO.IN
[realms]
 CEDEL.CO.IN = {
  kdc = sam.cedel.co.in:88
 default_domian = CEDEL.CO.IN
 kpasswd_server = sam.cedel.co.in
  admin_server = sam.cedel.co.in:749
 }
[domain_realm]
 .CEDEL.CO.IN = CODEL.CO.IN
pls help me out to solve this problem.
thanks and regards,
Ramadass.v


		
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