Samba 3.3 And Later Default "ldap ssl" Settings Have Changed

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Environment

SUSE Linux Enterprise Server 11

SUSE Linux Enterprise Server 10

Situation

Samba 3.3 and later changed the default settings for "ldap ssl" from "no" to "start_tls" which will have a conflict with anyone using "ldaps://" in their passdb backend--such as in OES (NOTE: ldap:// and ldaps:// is just the start of the URL, and is incomplete without the rest of the URL for this particular setting). Although it isn't a required upgraded (due to a license change) on SLES 10 (and OES), an upgraded to Samba 3.4.3 is available under SLES 10 (under the sles10-gplv3-extras) and is supported.

ERROR: "Failed to issue the StartTLS instruction: Operations error"

Resolution

There are a couple of ways to address this issue:

Change the ldap backend from "ldaps://" to "ldap://"
Change "ldap ssl" from "start_tls" back to "no". If the "ldap ssl" setting is not present under the [global] section of the smb.conf, then add it: "ldap ssl = no"

Disclaimer

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