The vendor has published 1 unique mention(s) for this bug: 1. Attempts to create a new hosting connection on the XenServer® pool master might fail with this error message: The host server cannot be contacted. check that the connection has a valid host address and that the host server is powered on and working properly. Failed to obtain XenServer host list. Latest urls for this bug: 1. https://docs.citrix.com//en-us/citrix-virtual-apps-desktops/2203-ltsr/whats-new/cumulative-update-4/fixed-issues