[Samba] 3.0.26a: error setting trust account password: NT code 0x1c010002

[Leroy van Logchem]

Trying to join a 3.0.23c pdc with 3.0.26a gives error:
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./net rpc join -S TESTPDC -Uroot%passwd
[2007/10/18 19:49:35, 0] utils/net_rpc_join.c:net_rpc_join_newstyle(304)
  error setting trust account password: NT code 0x1c010002
Unable to join domain TEST.
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Others with the same problem:
http://lists-archives.org/samba/31956-winbind-3-0-25c-problem-joining-3-0-24-domain.html
http://groups.google.com/group/linux.samba/browse_thread/thread/2b486bd783c3913b/0270b72b373cb09a

Any ideas?