User Guide Configuration Domain Identifier configuration Adding domain identifiers 3.6.3 Adding domain identifiers You can only perform this task when logged into the Active Primary SDS. Select SDS, and then Configuration, and then Domain Identities. Click Insert. Enter a unique name in Domain Identifier field. Note:The domain identifier is case insensitive and the value is stored in lower case (for example, ORACLE.com is stored as oracle.com). Select the associated destination(s) from the applicable destination(s) list. At least one destination must be selected, although a destination can be selected for each of the destination types. IMS HSS LTE HSS MTC HSS PCRF OCS OfCS AAA User defined 1 User defined 2 Perform one of the following: Click OK to save the domain identifier and return to the SDS Domain Identifiers page. Click Apply to save the domain identifier and remain on this page. Click Cancel to return to the SDS Domain Identifiers page without saving the changes. If OK or Apply is clicked and any of the following conditions exist, an error message appears: Field Domain Identifier contains invalid characters. At least one destination was not selected.