FireDAC Components for REST

Build 23.0.8804


The Kerberos Key Distribution Center (KDC) service used to authenticate the user.


property KerberosKDC: String;

Data Type


Default Value



The Kerberos properties are used when using SPNEGO or Windows Authentication. The component will request session tickets and temporary session keys from the Kerberos KDC service. The Kerberos KDC service is conventionally colocated with the domain controller.

If Kerberos KDC is not specified, the component will attempt to detect these properties automatically from the following locations:

  • KRB5 Config File (krb5.ini/krb5.conf): If the KRB5_CONFIG environment variable is set and the file exists, the component will obtain the KDC from the specified file. Otherwise, it will attempt to read from the default MIT location based on the OS: C:\ProgramData\MIT\Kerberos5\krb5.ini (Windows) or /etc/krb5.conf (Linux).
  • Domain Name and Host: If the Kerberos Realm and Kerberos KDC could not be inferred from another location, the component will infer them from the configured domain name and host.

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Build 23.0.8804