[Samba] Winbind user authentication (-a) fails, but kerberos authentication succeeds

Steven Moyse smoyse at civica.com.au
Thu Oct 21 18:52:12 MDT 2010

I am having trouble setting up winbind authentication.

I have successfully joined the domain

winbind -t OK
winbind -u OK
winbind -g OK
winbind -K 'DOMAIN\user%password' OK
winbind -a 'DOMAIN\user%password' FAIL
For winbind -a:
Plaintext authentication is attempted, and fails with 
challenge/response authentication is attempted, and fails with 

Am using SAMBA 3.0.33 on Redhat 5.4 patched to latest.

I have previously configured many SAMBA servers


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