Any particular reason? I would consider upgrading the PS 4.0 farm to 5.0. EOM is July and EOL is Dec of this year. Joe From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Stratton, Doug ISMC:EX Sent: Monday, March 30, 2009 11:26 AM To: thin@xxxxxxxxxxxxx Subject: [THIN] Citrix XenAppWebPlugin 11 on Citrix Server We are considering upgrading our current Citrix Presentation Server 4.0 servers to the Citrix XenAppWebPlugin 11 client. Up to now we have always put on the full client with PN. We currently have PN 10-100. installed. Does anyone out there know if this is a bad thing to do or if there will be problems? Regards, Doug Stratton, Shared Service BC Service Desk Email: 77000@xxxxxxxxx Service Desk Tel: (250)387-7000