The vendor has published 2 unique mention(s) for this bug: 1. After uninstalling VDA 2507 CU1 and rebooting the machine, RDP logon might fail, making the machine inaccessible. 2. You might be unable to login to the machine, after uninstalling the VDA and rebooting it. 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