Join to Domain failed after reinstall Active Directory Connection

Hi all,

after getting problems with password sync to our Active Directory Domain I did reinstall the app “Active Directory Connection” and tryed to join Active Directory.
Now getting the error:

Eine Verbindung zum AD-Server MMN20161.IBMMN.local konnte nicht hergestellt werden. Bitte überprüfen Sie Benutzername und Password. (Details:
well-known-sid-object-rename failed with 1 (Traceback (most recent call last):
File “/usr/share/univention-ad-connector/scripts/well-known-sid-object-rename”, line 400, in
ad = Well_Known_SID_object_renamer(ucr, options.binddn, options.bindpwd)
File “/usr/share/univention-ad-connector/scripts/well-known-sid-object-rename”, line 86, in init
self.lo = _connect_ucs(self.ucr)
File “/usr/share/univention-ad-connector/scripts/well-known-sid-object-rename”, line 360, in connect_ucs
lo = univention.admin.uldap.access(host=host, port=port, base=ucr[‘ldap/base’], binddn=binddn, bindpw=bindpw, start_tls=0, follow_referral=True)
File “/usr/lib/pymodules/python2.7/univention/admin/uldap.py”, line 557, in init
raise univention.admin.uexceptions.authFail(
(“Authentication failed”))
univention.admin.uexceptions.authFail: Authentication failed
))

Password was stated correctly.
The installer is possibly not able to remove AD objects?
Please help.

Wolfgang

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