[Samba] Member join, dns issues

Greg Sloop <gregs@sloop.net> gregs at sloop.net
Wed Feb 23 01:32:43 UTC 2022

Joining a member server "succeeds" but also gives this DNS error.
# net ads join -U administrator
Password for [AD\administrator]:
Using short domain name -- AD
Joined 'ABC-1' to dns domain 'ad.xyz.local'
DNS Update for abc-1.ad.xyz.local failed: ERROR_DNS_UPDATE_FAILED
(DNS works fine on the member server. All tests resolving DC names, and the
srv records complete fine.)

A search turns up this in the Wiki;

Which suggests checking DDNS on the server.
And running: samba_dnsupdate --verbose --all-names
Returns a bunch of: TSIG error with server: tsig verify failure

Which further searches seem to indicate you can safely ignore.

So, I've got ahold of my tail now and I'm wildly confused! :)


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