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Samba/Winbind can not authenticate to Windows AD when TLS is used to secure the connection

Solution Verified - Updated 2016-07-20T14:50:56+00:00 -

Issue

After enabling TLS in /etc/samba/smb.conf to secure the communication between Samba and AD, user authentication does not work anymore:

ldap ssl = start tls
ldap ssl ads = yes

[LDAP] res_errno: 53, res_error: <00002029: LdapErr: DSID-0C0904BC, comment: Cannot bind using sign/seal on a connection on which TLS or SSL is in effect, data 0, v2580>, res_matched: <>

Environment

Red Hat Enterprise Linux
Samba packages that have been released after Badlock (April 12th 2016)

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