The vendor has published 2 unique mention(s) for this bug: 1. Attempt to upgrade Citrix Virtual Apps and Desktops from version 1912 LTSR to version 2305 or 2203 LTSR might fail with this error message: We have discovered unsupported configuration. 2. Attempt to upgrade Citrix Virtual Apps and Desktops from version 1912 LTSR to version 2305 or 2203 LTSR might fail with this error message: We have discovered unsupported configuration. Latest urls for this bug: 1. https://docs.citrix.com//en-us/citrix-virtual-apps-desktops/2203-ltsr/whats-new/cumulative-update-5/fixed-issues 2. https://docs.citrix.com//en-us/citrix-virtual-apps-desktops/2311/whats-new/fixed-issues