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Re: [Samba] Samba 4.7.0 replication issue: failed get spanning tree edges

Did you check that these groups were actually consistent before you upgraded (have you got a backup to look at the old groups)? The consistency checking definitely got stricter in 4.7, but there may still be a bug here.



On 29/09/17 10:02, Arthur Ramsey via samba wrote:
I fixed this with the following process.

1. Identify affected groups with "samba-tool dbcheck --cross-ncs",
   which reports errors like "ERROR: orphaned backlink attribute
2. Create new group
3. Execute "perl ad_clone_group.pl 'Foobar_Group' ''New_Group" to copy
   members from broken group to new group: https://pastebin.com/6L8NZPRC
4. Delete bad group
5. Rename new group to name of bad group
6. Expunge tombstone with "samba-tool domain tombstones expunge
7. Check with "samba-tool dbcheck --cross-ncs --fix" again


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