The purpose of the project is to evergreen the existing instances of XenApp across HSBC onto the latest supported version running on Windows Server 2012R2.XenApp underpins a number of services across a wide range of HSBC businesses including RBWM, Private Bank and Global Banking & Markets.The project encompasses every instance of XenApp with individual teams responsible for performing their own evergreening programme to move to the latest version.As an update – An additional requirement that had to be satisfied was making XenApp suitable for tier 0 services which would mean some additional servers being added to the original design