The vendor has published 1 unique mention(s) for this bug: 1. Upgrading a Delivery Controller from 2203 CU5 to 2402 CU1 may fail during the automatic site upgrade in Citrix Studio. The Delivery Controller upgrade completes, but the site update does not finish successfully. Latest urls for this bug: 1. https://docs.citrix.com/us/en/citrix-virtual-apps-desktops/2203-ltsr/whats-new/cumulative-update-7/fixed-issues.html 2. https://docs.citrix.com/us/en/citrix-virtual-apps-desktops/2402-ltsr/whats-new/cumulative-update-3/fixed-issues.html