[VMC on AWS] MAC address is duplicated when you clone virtual machine after bulk migration from On-prem to VMC.
Article ID: 316714
Updated On:
Products
Issue/Introduction
Purpose:
This article provides information about the reason why mac address is duplicated when you clone virtual machine after bulk migration from On-prem to VMC.
Please confirm below example for details.
Example:
1. On-prem virtual machine has been set automatic option for MAC address as below.
2. If you try to perform bulk migration on your on-prem vSphere Client (HCX plug-in), you can confirm that Retain MAC option is enabled as below.
3. If you execute it as it is, the MAC address option of the virtual machine will be manual.
If you clone this virtual machine in this state, same MAC address will be assigned and result in duplication.
Resolution
The reason is due to bulk migration option (Retain MAC).
If you want to avoid this issue, Please consider the following measures.
about Migration virtual machines on VMC:
・Please change the MAC address option from Manual to Automatic. To change the setting, you need to power off the virtual machine.
about not Migrationed virtual machines on On-prem:
・Please check off Retain MAC option under Extended Options as below.
Additional Information
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