Samba refusing connection after machine account password change

[jinyunshuai]

Hi all,
 
Description:
Samba share  is refusing a connection after the machine password has been changed.
 
log.smbd:
[2011/03/23 17:41:18, 10] libads/kerberos_verify.c:ads_keytab_verify_ticket(139)
  ads_keytab_verify_ticket: krb5_rd_req_return_keyblock_from_keytab(sol10-build$@ASMB.TEST) failed: Wrong principal in request
[2011/03/23 17:41:18, 10] libads/kerberos_verify.c:ads_keytab_verify_ticket(139)
  ads_keytab_verify_ticket: krb5_rd_req_return_keyblock_from_keytab(cifs/sol10-build.asmb.test at ASMB.TEST) failed: Bad encryption type
[2011/03/23 17:41:18, 10] libads/kerberos_verify.c:ads_keytab_verify_ticket(139)
  ads_keytab_verify_ticket: krb5_rd_req_return_keyblock_from_keytab(cifs/sol10-build at ASMB.TEST) failed: Wrong principal in request
[2011/03/23 17:41:18, 10] libads/kerberos_verify.c:ads_keytab_verify_ticket(139)
  ads_keytab_verify_ticket: krb5_rd_req_return_keyblock_from_keytab(cifs/sol10-build at ASMB.TEST) failed: Wrong principal in request
[2011/03/23 17:41:18, 10] libads/kerberos_verify.c:ads_keytab_verify_ticket(139)
  ads_keytab_verify_ticket: krb5_rd_req_return_keyblock_from_keytab(cifs/sol10-build.asmb.test at ASMB.TEST) failed: Bad encryption type
[2011/03/23 17:41:18, 10] libads/kerberos_verify.c:ads_keytab_verify_ticket(139)
  ads_keytab_verify_ticket: krb5_rd_req_return_keyblock_from_keytab(sol10-build$@ASMB.TEST) failed: Wrong principal in request
[2011/03/23 17:41:18, 10] libads/kerberos_verify.c:ads_keytab_verify_ticket(139)
  ads_keytab_verify_ticket: krb5_rd_req_return_keyblock_from_keytab(cifs/sol10-build.asmb.test at ASMB.TEST) failed: Bad encryption type
[2011/03/23 17:41:18, 10] libads/kerberos_verify.c:ads_keytab_verify_ticket(139)
  ads_keytab_verify_ticket: krb5_rd_req_return_keyblock_from_keytab(cifs/sol10-build at ASMB.TEST) failed: Wrong principal in request
[2011/03/23 17:41:18, 10] libads/kerberos_verify.c:ads_keytab_verify_ticket(139)
  ads_keytab_verify_ticket: krb5_rd_req_return_keyblock_from_keytab(cifs/sol10-build at ASMB.TEST) failed: Wrong principal in request
[2011/03/23 17:41:18,  3] libads/kerberos_verify.c:ads_keytab_verify_ticket(185)
  ads_keytab_verify_ticket: krb5_rd_req failed for all 160 matched keytab principals
[2011/03/23 17:41:18,  3] libads/kerberos_verify.c:ads_verify_ticket(477)
  ads_verify_ticket: krb5_rd_req with auth failed (Wrong principal in request)
[2011/03/23 17:41:18, 10] libads/kerberos_verify.c:ads_verify_ticket(486)
  ads_verify_ticket: returning error NT_STATUS_LOGON_FAILURE
[2011/03/23 17:41:18,  1] smbd/sesssetup.c:reply_spnego_kerberos(350)
  Failed to verify incoming ticket with error NT_STATUS_LOGON_FAILURE!
[2011/03/23 17:41:18,  3] smbd/error.c:error_packet_set(61)
  error packet at smbd/sesssetup.c(352) cmd=115 (SMBsesssetupX) NT_STATUS_LOGON_FAILURE
 
I have already set  following options:
use kerberos keytab = Yes
 
Can somebody tell me  how to make samba work well after machine account password change?
 
thanks in advance.