A home data source is the primary data source for a principal. It generates the unique ID for principals that it is home for. The home data source replies to existence checks: If a principal does not exist on its home data source, then it does not exist at all. Each principal can only have one home data source.
The strong relationship between a principal and its home data source is reflected in the unique ID of a principal. The unique ID is built in the following way:
<Principal_Type>.<Home_Data_Source_ID>.<Uniquename>
where:
For more information, see <dataSources> .
USER.CORP_LDAP.madams
Every user that is read from the LDAP server starts with USER.CORP_LDAP . if the ID of the LDAP data source from which the user was received is CORP_LDAP . During search or read operations, the home data source of a principal is immediately visible from the principal's ID. For create operations, the configuration must specify the principal's home data source.