samba - Jan 2005 - winbind doesn't work with 3.0.10 NT_STATUS_PIPE_NOT_AVAILABLE

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Upgrading from 3.0.2a to 3.0.10 gives us a version of samba that joins the
domain
properly (2000 mixed mode, type ADS), and will list the users, but the following
message is repeated over and over in /var/log/samba/log.winbindd:

[2005/01/13 11:28:59, 3]
nsswitch/winbindd_misc.c:winbindd_interface_version(261)
~  [ 9009]: request interface version
[2005/01/13 11:28:59, 3] nsswitch/winbindd_misc.c:winbindd_priv_pipe_dir(297)
~  [ 9009]: request location of privileged pipe
[2005/01/13 11:28:59, 5] nsswitch/winbindd.c:winbind_client_read(475)
~  read failed on sock 20, pid 9009: EOF
[2005/01/13 11:28:59, 3] nsswitch/winbindd_user.c:winbindd_endpwent(375)
~  [ 9009]: endpwent
[2005/01/13 11:28:59, 5] nsswitch/winbindd.c:winbind_client_read(475)
~  read failed on sock 22, pid 9009: EOF

Trying wbinfo -t, etc results in a

checking the trust secret via RPC calls failed
error code was NT_STATUS_PIPE_NOT_AVAILABLE (0xc00000ac)
Could not check secret

I can't find anything on STATUS_PIPE_NOT_AVAIL. 3.0.2a works fine against
the same
domain controller.
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