ADO.NET Provider for Dynamics CRM

Build 21.0.8137


The Kerberos Realm used to authenticate the user with.

Data Type


Default Value



The Kerberos properties are used when using SPNEGO or Windows Authentication. The Kerberos Realm is used to authenticate the user with the Kerberos Key Distribution Service (KDC). The Kerberos Realm can be configured by an administrator to be any string, but conventionally it is based on the domain name.

If Kerberos Realm is not specified the provider 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 provider will obtain the default realm 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: The provider will infer the Kerberos Realm and Kerberos KDC from the user-configured domain name and host as a last resort. This might work in some Windows environments.

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Build 21.0.8137