You can use shared settings in any Identity Server cluster configuration.
You can define the following shared settings:
Attribute sets: See Configuring Attribute Sets and Editing Attribute Sets.
Custom Attributes: See Adding Custom Attributes.
Data Sources: See User Attribute Retrieval and Transformation.
Virtual Attributes: See User Attribute Retrieval and Transformation.
Authentication card images: See Adding Authentication Card Images and Creating an Image Set.
Metadata Repositories: See Metadata Repositories.
User matching expressions: See Configuring User Matching Expressions.
The Shared Settings page also contains tabs for configuring the server details for NetIQ Advanced Authentication and Self Service Password Reset products. You need to configure these details when integrating Access Manager with these products.