On 04/08/2023 11:21, basti via samba wrote:> Hello,
> yesterday I setup a AD DC.
> Today I try to add a Fileserver to the AD.
> 
> https://wiki.samba.org/index.php/Idmap_config_ad
> 
> smb.conf:
> 
> [global]
> 
>  ????security = ADS
>  ????workgroup = NET
>  ????realm = NET.EXAMPLE.COM
> 
>  ????log file = /var/log/samba/%m.log
>  ????log level = 1
> 
>  ????# Default ID mapping configuration for local BUILTIN accounts
>  ????# and groups on a domain member. The default (*) domain:
>  ????# - must not overlap with any domain ID mapping configuration!
>  ????# - must use a read-write-enabled back end, such as tdb.
>  ????idmap config * : backend = tdb
>  ????idmap config * : range = 3000-7999
>  ????# - You must set a DOMAIN backend configuration
>  ????# idmap config for the NET domain
>  ????idmap config NET:backend = ad
>  ????idmap config NET:schema_mode = rfc2307
>  ????idmap config NET:range = 10000-999999
>  ????idmap config NET:unix_nss_info = yes
> 
>  ????vfs objects = acl_xattr
>  ????map acl inherit = yes
>  ????store dos attributes = yes
> 
> [homes]
>  ?? comment = Home Directories
>  ?? browseable = no
> 
> root at fs:/var/lib/samba# cat /etc/krb5.conf
> [libdefaults]
>  ????default_realm = NET.EXAMPLE.COM
>  ????dns_lookup_realm = false
>  ????dns_lookup_kdc = true
> root at fs:/var/lib/samba#
> 
> root at fs:/var/lib/samba# net ads join -U Administrator
> Password for [NET\Administrator]:
> Failed to join domain: failed to lookup DC info for domain 
> 'NET.EXAMPLE:COM' over rpc: Indicates the SID structure is not
valid.
> 
> DNS also works as expected.
> All tests done on 
> https://wiki.samba.org/index.php/Setting_up_Samba_as_a_Domain_Member are OK
> 
> 
> 
I take it this is 4.17.9 on bookworm (as your DC was).
Have you added any rfc2307 attributes to AD ?
If you temporarily change to the 'rid' idmap backend, does the join then
work ?
Rowland