vMotion fails at 21%

We have a cluster with four esxi hosts. Vmotion fails when i migrate live vm at all hosts. If i power down the vm then I will be able to migrate. It does happen to all the vms in all esxi host.
Where do look for this?
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Andrew Hancock (VMware vExpert / EE MVE^2)Connect With a Mentor VMware and Virtualization ConsultantCommented:
When VMs are Powered OFF, it's not a live migration it's just a cold migration.

I would start looking at the logs /var/logs/vmkernel.log

also check datastores, also check you can ping between vmkernel portgroups, enable for vMotion, using vmkping.

also check MTU settings are the same for ALL vMotion portgroups.

Has this ever worked ?

just started to fail ?

have you proved your networking design ?
sara2000Author Commented:
Switch port was configured on wrong vlan.
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