Server password change on DC master fails reproducible

[SirTux]

After Patching UCS 4.4-7 to latest errata 966: "failed to contact LDAP server"

Following @DirkS 's hint via e-mail (many thanks and sorry Mr. Schnick, I first had to awkwardly extract the credentials to our email provider, as we’ve been using fetchmail for years and manage the passwords for direct access in a password manager, which was also no longer accessible…): “Have you configured faillog or ppolicy lockout?” I was sent in the right direction and followed the howto to disable the lockouts and now at least “univention-ldapsearch” works again… This is already the s…