Samba // wbcGetpwnam: WBC_ERR_DOMAIN_NOT_FOUND on linux domain member

linux domain member – idmap ad – getent passwd not working – wbinfo -i SAMDOM\\xyzuser returns wbcGetpwnam: WBC_ERR_DOMAIN_NOT_FOUND

PROBLEM: Users per default primary group “domain users” has not set gidNumber per default installation. Edit these groups props with ldbedit and add a gidNumber entry.

How solved? ( credits:

 wbinfo -n SAMDOM\\user1

to give you the SID (windows user ID) for the user, and then use

 wbinfo -S USERSID

with this sid to check UID assignment. Similarly, use

 wbinfo -n "SAMDOM\\Domain Users"
 wbinfo -Y GROUPSID

wbinfo -Y [Domain Users SID] returns that it could not get a gid

do on the DC:

ldbedit -e mcedit -H /var/lib/samba/private/sam.ldb 'sAMAccountName=Domain Users'

and add a line like
gidNumber: 65534
if you want to map domain users to unix group nobody

Set it to 100 if you wanna map it to unix group users

Do on the DC-machine

 net cache flush

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