Warning: Manual: Multiple members for UID on UCS 5

[SirTux]

Since upgrading to UCS 5 I get warnings like this in the system diagnostic module:

Warning: Manual: Multiple members for UID 'Administrator' of group 'cn=Domain Admins,cn=groups,dc=top,dc=top1`

In the LDAP I can find entries as described here:

Fix broken group membership

Problem: You might end up in a situation where a user seems to be part of a group even you just removed it. When trying to fix the group membership you’re told memberUid: no such value. A deeper look: When looking closer at the group objects the user is supposed to be in, you discover that there are two attributes determining the group membership, memberUid and uniqueMember. While memberUid doen’t list the user in question, uniqueMember does. Solution: You need to remove the attribute uniqu…

This should be fixed by running the script /usr/share/univention-directory-manager-tools/proof_uniqueMembers. Unfortunately this doesn’t work. The script doesn’t throws any error either.