Today I had the luxury of setting up a Unicast NLB on a couple of Windows 2008 servers (for Citrix Web Interface 5.2). The servers themselves are guest VMs running on Hyper-V R2. I noticed that when trying to create the NLB, it would not converge. The NLB wizard was erroring out, plus the entire NIC would go offline, losing its static IP association. I would also see Error 12289.
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