WTS on the PCS device uses 32 bit ActiveX for its operations. If printer redirection is enabled then for 64-bit Windows clients the printer redirection with Microsoft's Easy Print fails on the server.
Per Microsoft, Terminal Services Easy Print is not supported if the RDP ActiveX control is run in WOW64. The PCS device calls
Mstscax.dll, which allows 32-bit Windows-based applications to run seamlessly on 64-bit Windows; Microsoft Easy Print cannot work with
Note: WOW64 is provided with the operating system and does not have to be explicitly enabled. For more information refer to the following links: