We changed the frame size jumbo frames (9000). We set all the switches and network cards in Windows jumbo frames, because we have the same Windows-based servers connected to the SAN Dell EqualLogic. We are trying to use the DSS server to our Hyper-V cluster. Will initiate a number of factors cause MS? We are a small lab setup with VMware vSphere (2 ESX hosts in the cluster) and the DSS that works well.