Cannot connect to a hub

Ensure that the hub is supported by XClarity One (see Hardware and software requirements for XClarity One Hub).

Check the event log for any network events, and resolve the issues, if any.

Ensure that the network hardware is functioning correctly for the connection path to the hub.

Ensure that the correct switch and firewall ports are enabled for the hub. For information about required ports, see Configuring the hub network).

Ensure that the hub has a valid network configuration by verifying that the IP address is valid for the network. You can also ping the hub to test if it is visible on the network.

Ensure that the registration key that was generated by hub is installed in XClarity One, and ensure that the registration key was generated by XClarity One is installed in hub. If the registration key is not valid, generated and install a new key (see Connecting the hub to XClarity One).

If the hub encountered an error while attempting to install the registration key, contact Lenovo Support for assistance.

If the hub’s server certificate is signed by an external certificate authority, ensure that the subject alternative names include the fully-qualified domain name (FQDN) or IP address of the hub, and the subject name be set to the FQDN of the hub.

Collect service data for the unresponsive hub using the XClarity One Hub Service Support Center portal (see Hub service data).

Attempt to re-manage the hub from the XClarity One portal.