I am running System Center Virtual Machine Manager 2012 R2 that manages a Server 2012 Hyper-V Cluster with 4 nodes. When creating a new VM or editing an existing VM that doesn't have a VLAN ID selected, the "Enable VLAN" checkbox
is grayed out. The only way I can get it to show up and work is to open the Failover Cluster Manager and set it there on the VM. Then refreshing the VM in VMM shows it there too. This used to work fine on VMM 2012 SP1 and all versions previous
to that. Why is this occurring?
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