The vendor has published 2 unique mention(s) for this bug: 1. When you update the Virtual Delivery Agent (VDA), the installation process might not resume as expected. This issue occurs due to a failure in checking the CitrixVirtualDesktopAgent.xml file and affects VDA updates on Cumulative Updates such as CU2 and CU4. 2. When a timing conflict occurs between the VDA Upgrade Agent (VUA) and the installer while deleting XenDesktopVDASetup.exe, the VUA might resume an upgrade on a VDA that has already completed its upgrade. Latest urls for this bug: 1. https://docs.citrix.com//en-us/citrix-virtual-apps-desktops/2402-ltsr/whats-new/cumulative-update-4/fixed-issues 2. https://docs.citrix.com//en-us/citrix-virtual-apps-desktops/2507-ltsr/whats-new/cumulative-update-2/fixed-issues 3. https://docs.citrix.com//en-us/citrix-virtual-apps-desktops/2507-ltsr/whats-new/known-issues