UPHClean is built into Server 2008+. Carl Webster Consultant and Citrix Technology Professional http://www.CarlWebster.com<http://www.carlwebster.com/> From: <Hamilton>, Ronnie <ronnie.hamilton@xxxxxxx<mailto:ronnie.hamilton@xxxxxxx>> Subject: [THIN] UHPClean Hi, Have just got 2008 R2 64 bit with XenApp 6.5 up and running, and I’m starting to review all apps and weather to stream, install try and upgrade to 64 bit were possible or stick with 32 bit. I am going Office 2010 and have already users on current XenApp 5 2003 server running it. Should I look at the 64 bit Office and install straight on server or could it have trouble interacting with 32 bit applications? UHPClean ? is it still needed ?