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I have successfully integrated AD + Samba + Winbind in my Ubuntu NAS box and all worked fine for 2 weeks. Suddenly today I couldn't get into the share and after logging in to the server, I found that the usernames/groups from the AD were not mapped anymore in Linux, but rather the IDs, as seen here:

root@nas:~# ls -la /work/
total 32
drwxrwx---  5 root 10004  4096 Oct 19 14:34 .
drwxr-xr-x 25 root root   4096 Oct 19 14:28 ..
drwxrwx---  3 root 10026  4096 Oct 19 14:35 adm
drwxrwx---  2 root 10004 16384 Oct  1 16:11 lost+found
drwxrwx--- 23 root 10004  4096 Oct 23 11:23 zshare

Which makes me think it's why I get the access denied error when trying to access the share.

What I've tried so far:

  • I can communicate with the DC. If I try wbinfo, I get groups and users for instance.
  • I can "read" the DC by doing "net ads status"
  • I can login into DC by kinit user@MY.DOMAIN

Can anyone kindly point me to some direction here?

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