Have you seen this article and is it applicable to your situation-
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I saw that article. I checked and I have not run out of space or inodes.
What version of ESXi are you running? I had this exact same issue but years ago on either 5.1 or 5.5 and the cause was some of the agents HP puts in their customized ISO had a memory leak or some other issue. It was fixed with updated versions of that agent, but you had to reboot the host to get it to service vMotions. I looked for the HPE advisory but can't find it. It may not be the same issue at all, but the symptoms are exactly the same.
daphnissov, is this what you were referring to?:
Is it only live migration of this one VM from one host to one particular host?
Or from ANY host to one particular host?
Or any VMs from one host to one particular host?
Or any VMs from any host to one particular host?
Have you tried removing the ISO that is loaded as a CD/DVD device? And/or is this accessible from all hosts?:
That sounds very familiar...maybe it's it.