One of the criteria for vMotion is that "VM and Both ESX hosts must be in same “VMNetwork” port group".  What does the port group mean ? Can I say there are  5 VM port groups in the attachment ?

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Dan LuteyCommented:
"My VM network" is a port group. You want to have the two host on that same network or port group for vmotion to work and communicate between the two host.
AXISHKAuthor Commented:
Base on my attachment, can I say there are 5 port group created ?

Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization ConsultantCommented:
Basically it  means that the VMKernel Portgroup for vMotion must be in the same Subnet Network for communications.

e.g. and, so both vMotion VMKernel Portgroups on the Servers can communicate.

In your attachment you have 3 VMKernel Portgroups, and 2 Virtual Machine Portgroups, to be honest with you, it's a bit of a mess!

Management Network - vmk0 -
Management - vmk1 -
VMKernel 3 - vmk3 -

Now the question is why the other two ?

Do you need to have two management IP Addresses and 30.138 ?

also it's best to have vMotion on a completely different subnet e.g. 10.10.x.x or 172.16

Talk to me, and we can recommend, what is best.....and get this correct!

If your Networking is rubbish in VMware vSphere, so is VMware vSphere, VMware vSphere is only as good as your networking!

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AXISHKAuthor Commented:
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization ConsultantCommented:
no problems.
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