[Samba] winbindd losing track of RFC2307 UIDs

Achim Gottinger achim at ag-web.biz
Thu Oct 6 14:52:09 UTC 2016

Am 06.10.2016 um 16:19 schrieb Rob via samba:
> On Wed, 5 Oct 2016, Achim Gottinger wrote:
>>> Hi Rob,
>>> You can try to use tdbtool to delete the offending key with uid 
>>> 2020. https://www.samba.org/samba/docs/man/manpages-3/tdbtool.8.html
>>> I'd stop samba make an backup of winbind_idmap.tdb and give it a try.
>>> In my case deleting the mappings from idamp.tdb fixed the issue of 
>>> changing uid's.
>>> achim~
>> Did the uid change from 2018 to 2020 or is this an different user or 
>> member server? If it changed editing winbindd_idmap.tdb might not fix 
>> your problem.
> It didn't change, it was my copy+paste mistake.  (At the time, the UID 
> from the "broken" state was outside of my terminal's scrollback range; 
> I thought it was 2018 but I was wrong; it was 2020 all along.)
> All of my users seem to have entries in winbindd_idmap.tdb, actually; 
> not just the ones that have UID-changing problems.
> _Rob
Im my case only the users with uid-changing problems had entries in 
idmap.ldp (no member server). Also I could trigger the uid change by 
login/logout as such an user on an windows client, so i did not have to 
wait long to track down the issue. Guess you have an different issue.

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