Attempts to create or clone virtual machines result in MAC address space error in vCenter Server 5.5
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Article ID: 340287
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Updated On:
Products
VMware vCenter Server
VMware vSphere ESXi
Issue/Introduction
While creating or cloning virtual machines, the following error message is displayed:
VC MAC address space is exhausted
Environment
VMware vCenter Server 5.5.x
VMware vSphere ESXi 5.5
Resolution
Perform the following steps to reclaim the MAC address space:
- In the vSphere Web Client, navigate to the vCenter Server instance.
- On the Manage tab, select Advanced Settings.
- Click Edit.
- In the Key text box, type vpxd.network.macReclaim.
- In the Value text box, type true.
- Click Add.
- Click OK.
You do not need to restart vpxd for the changes to be applied.
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