In HPE OneView Eight Forty DCS appliance, you can add resources like enclosures, servers, and other hardware, depending on what type of resource it is and whether it is compatible. Since you're using the demo schematic with two gen ten enclosures inside the DCS virtual appliance, these resources are usually part of a simulated environment meant for testing and learning.

Regarding credentials, typically, demo or virtual resources do not need real credentials to access. When you add resources, you usually enter credentials such as SNMP community strings, iLO or ILO management credentials, or other access details during the registration process. For demo environments, default credentials are often used, and these are usually provided in the documentation or setup instructions.

For example, default credentials for iLO management are often set to admin and password or similar. For SNMP, the community string might be public or private. Since you are working with a schematic inside a virtual appliance, the resources are likely simulated, and you might not need to enter credentials beyond the defaults provided in the demo environment.

If you need to know the exact default credentials for your schematic, it's best to check the documentation that came with it or contact HPE support for guidance.

Regards,
Azr_geek