VMware vMotion Error: The Operation is not Supported on the Object

While trying to vMotion (Host and Storage), I kept getting the following error:
“The operation is not supported on this object”.

I noticed their switches were negotiating the vMotion NICs at 100/mb, which is unsupported by VMware. After messing with the customer’s switch, I was able to set those ports to 1000-full. But after doing so, I was still getting this error, and nobody online had a solution. After messing with it for 45 mins, I was able to resolve this by disabling vMotion on the NIC, and then re-enabling it. I assume the vMotion setting needed to be reset now that the NICs were set to 1000/mb.

Hope this helps

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