I have a Nexus 1000v running on a datacentre and when I use vCenter to view the port status on a port-group created in the VSM, some VM ports are listed as "blocked": YES and "Vlan": 1 instead of the assigned port group for the VM NIC. I cannot find any documentation that describes how or why this happens, or how to fix it. The port profile is configured with the correct vlan ID and the SVS connection is up and active. I'm running SV1.2 and the ESX hosts are all up to date patch wise and VEM wise. I'm also running a full license on the VSM. The VM has its NICs assigned to the correct port-group and I have tried deleting and re-adding the NIC and group. Still the VM cannot ping a gateway through the VEM. The VEM diagram view in vCentre shows the VM port in the group greyed out and with an 'x' in theport symbol. Anybody have any clues on this. Your help would be greatly appreciated.