[Samba] Problem with samba-tool --reindex

[Rowland penny]

On 23/10/2020 15:03, Tom Diehl via samba wrote:
> Hi,
>
> I have 2 DC's. One is running 4.10.18 and the other is running 4.11.14.
> I am planning on upgrading the 4.10.18 DC to 4.11.14 and then both up to
> 4.12r.latest.
>
> In doing this I ran samba-tool dbcheck --reindex and got the following 
> warning:
>
> (vdc1 pts8) # samba-tool dbcheck --reindex
> Re-indexing...
> ../../lib/ldb/ldb_key_value/ldb_kv_index.c:2413: duplicate attribute 
> value in CN=SHOPOFFICE-20,CN=Computers,DC=kmg,DC=mydomain,DC=com for 
> index on servicePrincipalName, duplicate of objectGUID 
> bd1c4b7c-c573-444c-951e-ff932612a111 in 
> @INDEX:SERVICEPRINCIPALNAME:TERMSRV/SHOPOFFICE-20.KMG.MYDOMAIN.COM
> completed re-index OK
> (vdc1 pts8)
>
> Does anyone know how to fix this?
>
> Regards,
>
First 'warning' != 'error', the 'completed re-index OK' shows this.

It is possible that you have a duplicate SPN.

Rowland