We have a client that has about 50 Virtual Desktops running Windows 7 Enterprise. In the past couple of months they have been complaining about a lag when typing (does not matter what application). They are connected to the VD via a HP thin Client running Windows 7 embedded. I setup a ping test from the VD to the users thin client and asked the user to screenshot the next time they experience a lag. Sure enough the ping times were all <1ms except for one ping at > 3500ms. (A single ping at 3500ms was enough to delay typing) I started to check the ping times to her VD from another server and confirmed that this is a pretty consistent occurance. I have isolated this to a networking on the actual VM. (I see the same lag from another VD on the same ESX Server) If I disable the SMC client these sporatic > 3000ms ping time disappear.
I upgraded SEP from 12.1 MR2 to 12.1.4100.4126 over the weekend and she is still having issues.
-VMWARE is 5.5 Fully Patched
-Server(s) are Poweredge T710 completed firmware updated.
-Network adapter is VMXNET3
-Workstation is completely patched with all Windows Updates
Any ideas would be much appreciated.