CentOS 7.9: No authentication after samba update

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We are using FreeIPA for Linux accounts and a Windows DC for Windows accounts. Users were able to access their Linux file systems from Windows using their windows user name and password.

After upgrading samba from samba-4.10.16-7.el7_9.x86_64 to samba-4.10.16-18.el7_9.x86_64 users cannot authenticate and I get the following error message:
check_account: Failed to convert SID S-1-5-21-xxxxxxx-xxxxxxx-xxxxxxx-1158 to a UID (dom_user[DOMAIN\username])

Winbind is still running

My smb.conf:

       netbios name = HOSTNAME
       security = ADS
       workgroup = DOMAIN
       realm = DOMAIN.FULL.NAME

       use sendfile = true
       dns proxy = no

       log file = /var/log/samba/%m.log
       max log size = 50
       log level = 1

       client signing = required
       server signing = auto

        comment = TMP-Disk
        public = yes
        path = /tmp
        browsable = Yes
        read only = No

Nothing else updated or changed.
What do I miss? This setup was working for years..

Thank you in advance!

Gerhard Schneider

Gerhard Schneider
Institute of Lightweight Design and       e-Mail: gs@xxxxxxxxxxxxxxxxx
Structural Biomechanics (E317)                 Tel.: +43 1 58801 31716
TU Wien / Vienna / Austria                     Fax:  +43 1 58801 31799
A-1060 Wien, Gumpendorfer Straße 7   http://www.ilsb.tuwien.ac.at/~gs/

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