VMware KB: Networking Error: IP address already assigned to another adapter

• An error message indicates that the IP already exists in the network, but no other virtual machine in the network is sharing the IP.
• On a Windows virtual machine, you see this error:
  
  The IP address XXX.XXX.XXX.XXX you have entered for this network adapter is already assigned to another adapter

VMware KB: Networking Error: IP address already assigned to another adapter