In VDA installation log:
PortICACustomActions: Command line is 'HardwareDevice' 'C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf' 'root\CTXKEYBOARD'
PortICACustomActions: Installing hardware. Inf = C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf, Id = root\CTXKEYBOARD
PortICACustomActions: Installing inf file C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf
PortICACustomActions: UpdateDriverForPlugAndPlayDevices failed for device C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf (-536870328)
PortICACustomActions: UpdateDriverForPlugAndPlayDevices failed for device C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf (-536870328)
PortICACustomActions: UpdateDriverForPlugAndPlayDevices failed for device C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf (-536870328)
PortICACustomActions: UpdateDriverForPlugAndPlayDevices failed for device C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf (-536870328)
PortICACustomActions: UpdateDriverForPlugAndPlayDevices failed for device C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf (-536870328)
PortICACustomActions: UpdateDriverForPlugAndPlayDevices failed for device C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf (-536870328)
PortICACustomActions: UpdateDriverForPlugAndPlayDevices failed for device C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf (-536870328)
PortICACustomActions: UpdateDriverForPlugAndPlayDevices failed for device C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf (-536870328)
PortICACustomActions: UpdateDriverForPlugAndPlayDevices failed for device C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf (-536870328)
PortICACustomActions: UpdateDriverForPlugAndPlayDevices failed for device C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf (-536870328)
PortICACustomActions: Uninstalling hardware id root\CTXKEYBOARD and driver INF C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf
PortICACustomActions: Cleaning up the binary files of the driver package
PortICACustomActions: INF File removal succeeded
PortICACustomActions: Error installing device driver C:\Program Files\Citrix\HDX\Drivers\picakbm\picakbm.inf error 0xe0000248
1, Create Group policy for VDAs
2,Find Computer Configuration > Administrative templates > System > Device Installation > Device Installation Restrictions, Dsiable "Prevent installation of devices not described by other policy settings"
3,VDA run gpupdate /force
4,Try to upgrade again