We have investigated the changes in version 4.1.8. and can share our findings: a) Administrator login now REQUIRES the domain field to be EMPTY b) User identification generally REQUIRES the domain field to be SET Until version 4.1.6. wit domain field set everything worked as expected, with 4.1.8. you need to create LDAP/Kerberos settings twice, one entry WITH and one W/O domain name. In addition Authentication sequence must be configured twice as well. Then for Admin accounts you select the Auth Profile with empty domains and for User identification (and possibly other purposes) you select the groups with domain fields set. Not nice but it works.
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