replication fails with "Error: sync: Unknown user in remote" but user shows up in doveadm user "*"

Arnaud Abélard arnaud.abelard at
Fri Apr 22 13:57:18 UTC 2022

Hello Christian,

I actually found why I had the problem. While I thought the ldap filters 
were the same, there was a sligth difference (damn crazy long filters!)

Sorry about the noise.


On 22/04/2022 10:08, Christian Mack wrote:
> Hello
> Am 21.04.22 um 18:00 schrieb Arnaud Abélard:
>> Hello,
>> I've been trying to replicate a production server (debian buster,
>> dovecot But I nothing is actually being replicated and for
>> each attempted user the message "Error: sync: Unknown user in remote" is
>> being logged.
>> The ldap settings are actually the same on both server (source and
>> destnation) and the "unknown user" is actually showing up in doveadm
>> user "*" on the destination server.
>> I had already replicated 2 servers and used the same settings. Am I
>> missing something obvious here?
> Can you da a doveadm user for that specific user?
> Are her/his attributes OK?
> Kind regards,
> Christian Mack

Arnaud Abélard
Responsable pôle Système et Stockage
Service Infrastructures
DSIN Université de Nantes

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