Virtual Desktop Agent Registration with Controllers in XenDesktop
Event ID: 1022
Event ID: 1001
For successful installation, you must re-install Virtual Desktop 5.5.
After the installation is successful, the following message is displayed: “Unable to initialize new components. The machine will register and provide desktop but with reduced functionality”
VDA software is not being installed successfully and the registry setting Needs Configuring appears under Citrix Virtual Desktop Agent, as displayed in the following screen shot:
Virtual Machine was cloned from XenDesktop Pooled static catalog and difference disk is attached to it. Note: This configuration is not supported and Windows OS should be re-installed after removing the difference disk.
Here is the link to the original KB article.