[Samba] nt4/sssd to AD/winbind migration fail

Rowland penny rpenny at samba.org
Mon Jan 18 22:45:40 UTC 2021

On 18/01/2021 22:11, Dale via samba wrote:
> I had an LMDE2 NT4 domain member using Samba 4.2.x with SSSD.  I 
> upgraded LMDE to version 3 then 4 which brings me up to Samba 4.9.5, 
> as LMDE4 is based on Debian Buster.  All SSSD packages were purged, as 
> well as a Heimdal kerberos package.  I attempted to add Louis' repo, 
> but when the dist-upgrade was run, the process wanted to remove a GUI 
> text editor that I didn't want to lose; therefore, I stayed at 4.9.5.
I am fairly sure that removing the editor had nothing to do with Louis's 
repo. I suggest you find out what is causing this, fix it and then 
upgrade Samba.
> The issue I am having is that samba is still seeing the old domain, 
> causing it to ignore my idmap_ad range for the domain and giving users 
> a value in the built-in range.  In fact, testparm tells me that I have 
> an invalid domain range for the new domain:
> idmap range not specified for domain 'old_domain'
> ERROR: Invalid idmap range for domain WORKGROUP!

It sounds like you created a new AD domain, so did your Unix domain 
member leave the old domain and then join the new one ?


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