How to disable the Domain Controller Discovery feature in the CIFS service in Solaris 11
Last updated on AUGUST 01, 2017
Applies to:Solaris Operating System - Version 11.1 to 11.3 [Release 11.0]
Information in this document applies to any platform.
After configuring the CIFS service in a Solaris 11 system, and joining that into a Windows domain, the CIFS server may switch from one Windows Domain Controller and connect to any other Windows Domain Controller on every 20 minutes.
Example of messages that do get logged upon such an event.
The behaviour seen here is intended behaviour.
The CIFS service in Solaris 11 performs a so-called "Domain Controller Discovery" that by default is configured to a frequency of 20 minutes. If a Windows Domain Controller does reply any other hostname for the Domain Controller, compared to the one that it had replied to the previous query, then the CIFS service in Solaris does switch to that other Domain Controller and will connect to that other Domain Controller.
This document provides a method that can get used to disable the "Domain Controller Discovery" in the CIFS service on Solaris 11, and so to keep that connected to one single Windows Domain Controller all the time.
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