Re: [Samba] Failed to modify SPNs
- Date: Tue, 7 Aug 2018 09:46:24 +0100
- From: Rowland Penny via samba <samba@xxxxxxxxxxxxxxx>
- Subject: Re: [Samba] Failed to modify SPNs
On Tue, 7 Aug 2018 09:52:24 +0200
Henry Jensen via samba <samba@xxxxxxxxxxxxxxx> wrote:
> I've got some log entries like these on our DCs:
> Failed to modify SPNs on CN=db1,CN=Computers,DC=mydom,DC=lan: acl:
> spn validation failed for spn[TERMSRV/DB1.MYDOM] uac[0x1000]
> account[db1$] hostname[(null)] nbname[mydom] ntds[(null)]
> forest[mydom.lan] domain[mydom.lan]
> At first I thought it was about missing SPN entries, but adding these
> did not resolve the problem:
> # samba-tool spn list db1$
> User CN=db1,CN=Computers,DC=mydom,DC=lan has the following
> servicePrincipalName: TERMSRV/db1
> Samba is 4.7.8 and one DC with 4.8.3.
I am fairly sure that 'TERMSRV' is coming from 'spn_update_list' and it
is trying to be added by 'samba_spnupdate'.
There is however a problem, this is the bottom of 'spn_update_list':
# Only used on Terminal Server mode:
As you can see, all the lines are commented out and should be ignored.
Have you modified the 'spn_update_list' ?
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