You must take ownership and give admin users full control to be able to delete this value.

This section is more important for shared VDAs like Windows 2008 R2 and Windows 2012 R2.

The default permissions allow users to store files on the C: drive in places other than their profile.

If this image will be converted to a Provisioning Services v Disk, then you must ensure the pagefile is smaller than the cache disk.

For example, if you allocate 20 GB of RAM to your Remote Desktop Session Host, and if the cache disk is only 15 GB, then Windows will have a default pagefile size of 20 GB and Provisioning Services will be unable to move it to the cache disk.

This causes Provisioning Services to cache to server instead of caching to your local cache disk (or RAM).

Add your non-administrator RDP users to this local group so they can RDP directly to the machine.

Roaming Profiles are compatible only between the following client and server operating system pairs. Windows 8. R2 don’t properly set the profile version.

You can use the Command Line Installer to exclude Telemetry Service as detailed at VDA upgrade cmdlet at Citrix Discussions.

Xen Desktop /quiet /noreboot /masterimage /Enable_HDX_PORTS /enable_framehawk_port /Enable_REAL_TIME_TRANSPORT /optimize /controllers "xdc01local xdc02local" /Exclude "Citrix Telemetry Service" Citrix Discussions Xenapp 7.9: Wait for local session manager: “I have a Xenapp 7.9 environment on Windows 2012 R2.

By default, Non-Windows clients cannot map printers due to a missing print driver on the VDA machine.

If you intend to use HTML5 Receiver internally, install certificates on the VDAs so the Web Sockets (and ICA) connection will be encrypted.

From About Citrix Receiver for Chrome 1.9 at To enable enhanced clipboard support, set registry value HKEY_LOCAL_MACHINE\SYSTEM\Current Control Set\Control\Citrix\wfshell\Virtual Clipboard\Additional Formats\HTML Format\Name=”HTML Format”. This applies to both virtual desktops and Remote Desktop Session Hosts.