WYSE VDA doesn't install in SPANISH Server

Hello, we have some problem some months without resolution and we pay the license to use the C10LE with VDA and we can't install in the Server 2003, 2008 and 2008 R2 if the language for the OS is Spanish, any has the same issue or has found a solution??

This is the product buyed

Product Name Product Description
906211-01 SW,WYSE VDA,VDI/VIEW/XENDESKTOP
730970-01 SW,WYSE VDA,VIRT DESKTOP,MAINT,1YR