Jmix 2.6 - ldap authentication failure

Hi, We are using jmix 2.6

I follow pages

I have problems configuring ldap plugin for authentication ( not full user synchronzation ) on my active directory servers

my config :

jmix:
  # https://docs.jmix.io/jmix/ldap/getting-started.html
  # https://docs.jmix.io/jmix/ldap/properties.html
  ldap:
    enabled: true
    use-active-directory-configuration: true
    urls: ldap://ad1.mydomain:389,ldap://ad2.mydomain:389
    base-dn: CN=xxx,OU=yyy,DC=zzzz,DC=mydomain
    active-directory-domain: FLV
    user-search-filter: (&(objectClass=user)(sAMAccountName={0}))
    # also tried
    # user-search-filter: (&(objectClass=user)(sAMAccountName={1}))
    standardAuthenticationUsers: admin
    default-roles: ui-minimal,ui-filter
    synchronize-role-assignments: false
    
    # authentication
    manager-dn: CN=xxx,OU=yyy,DC=zzzz,DC=mydomain    
    manager-password: mypassword

I created the class CustomUserSynchronizationStrategy (Getting Started with LDAP :: Jmix Documentation)

In logs, I see :

WARN  [main] o.s.s.c.a.a.c.InitializeUserDetailsBeanManagerConfigurer$InitializeUserDetailsManagerConfigurer - Found 2 UserDetailsService beans, with names [my_UserRepository, ldapUserRepository]. Global Authentication Manager will not use a UserDetailsService for username/password login. Consider publishing a single UserDetailsService bean.

the bean my_UserRepository is the one generated by jmix when creating the project

[...]
@Primary
@Component("emr_UserRepository")
public class DatabaseUserRepository extends AbstractDatabaseUserRepository<User> {

}
[...]

What do I do wrong?

Best Regards,
Guillaume