[Samba] wbinfo -t fails

[Mike Leone]

This used to work ...

root at workhorse:/var/log/samba# wbinfo -t
checking the trust secret via RPC calls failed
error code was NT_STATUS_ACCESS_DENIED (0xc0000022)
Could not check secret

root at workhorse:/var/log/samba# net ads info
LDAP server: 10.0.0.60
LDAP server name: dim-win2300.DaCrib.local
Realm: DACRIB.LOCAL
Bind Path: dc=DACRIB,dc=LOCAL
LDAP port: 389
Server time: Sat, 24 Apr 2010 16:20:52 EDT
KDC server: 10.0.0.60
Server time offset: 0

log.smbd:
[2010/04/24 16:08:15,  0] libads/kerberos.c:332(ads_kinit_password)
  kerberos_kinit_password WORKHORSE$@DACRIB.LOCAL failed:
Preauthentication failed

log.winbindd:
[2010/04/24 16:08:16,  0] libsmb/cliconnect.c:996(cli_session_setup_spnego)
  Kinit failed: Preauthentication failed
[2010/04/24 16:08:17,  1] winbindd/winbindd_util.c:303(trustdom_recv)
  Could not receive trustdoms
[2010/04/24 16:08:25,  0] libads/kerberos.c:332(ads_kinit_password)
  kerberos_kinit_password WORKHORSE$@DACRIB.LOCAL failed:
Preauthentication failed
[2010/04/24 16:08:25,  1] winbindd/winbindd_ads.c:127(ads_cached_connection)
  ads_connect for domain DACRIB failed: Preauthentication failed
[2010/04/24 16:08:25,  1] winbindd/idmap.c:438(idmap_init_passdb_domain)
  Could not init passdb idmap domain

Googling leads me to believe that the machine secret password is wrong.
But I haven't been able to figure out how to fix it. Should I delete the
machine account in AD, and try to add again?