After entering a license key that includes Distributed features and that designates the machine on which WhatsUp Gold is being installed will serve as the Central Site, you'll be prompted to complete the following steps at the appropriate points during installation in addition to everything described in Install WhatsUp Gold using either the Standard or Advanced workflow.
Important: After Central Site installation is complete, confirm Remote Site connections are allowed under Program Options in the WhatsUp Gold Admin Console application. For additional information, see Configuring WhatsUp Gold Distributed Edition in the WhatsUp Gold help.
Important: If you installed WhatsUp Gold with Failover features in addition to Distributed features, you must also proceed with Finalize Failover configuration following installation to successfully complete installation of WhatsUp Gold.