The maps an identifier string to user entries by searching for the entry containing a specified attribute whose value is the provided identifier. ds-cfg-exact-match-identity-mapper ds-cfg-identity-mapper org.opends.server.extensions.ExactMatchIdentityMapper Specifies the attribute whose value should exactly match the ID string provided to this identity mapper. At least one value must be provided. All values must refer to the name or OID of an attribute type defined in the Directory Server schema. If multiple attribute type names or OIDs are provided, then at least one of those attributes must contain the provided ID string value in exactly one entry. ds-cfg-match-attribute Specifies the set of base DNs below which to search for users. The base DNs will be used when performing searches to map the provided ID string to a user entry. The server will search below all public naming contexts. ds-cfg-match-base-dn