If you have reached this page from the Vyopta Admin Portal, it's due to one of the following two reasons.
1) Your organization is only monitoring cloud based systems (Webex, MS Teams, Zoom etc), which doesn't require an on premise collector.
2) You are currently running a version of our data collector or endpoint monitor that has gone End of Life. If you need to upgrade your data collector or endpoint monitor to a new release, please reach out to support, and we will be happy to help https://support.vyopta.com/hc/en-us/requests/new
To see if you are using a supported collector, please review The Vyopta Data Collector Lifecycle article for more information.