Choose the right network card

I have 2 Windows Server 2008 R2 based VMs hosted by VMware ESXi 5.0 hosts and managed by vShpere 5.0.

Virtual machines act as an application server and a server terminal server.

Users report poor network performance and network errors sometimes in the connection between 2 virtual machines.

The two virtual machines are configured to use virtual network E1000 cards.

It is advisable to change the types of VMXNET 2 or 3 VMXNET virtual network adapter?

Should expect better performance and less network error?

I don't see no possibility to change the type of network adapter, what is the best procedure to change the type of network adapter? Should I add a new network adapter, change the address of the existing one, configure the new with the old network adapter IP address and delete the old network card or is there a procedure better?

Concerning

Marius

I did this several times.

  1. Add ethernet adapter type: VMXNET 3
  2. Now you have two network cards
  3. log on to the operating system invited
    1. Configure the IP address of the new card with the old IP address, will NOT APPLY the changes...

      1. go to vSphere Client
      2. Change the settings of the virtual machine
      3. Select the old network adapter and
        1. Uncheck the box 'connected' and the boxes ' to connect to the power supply on "under"device status ".
        2. Click OK.
      4. back to the BONE
        1. then click OK to apply the new IP address to the new network adapter.  You'll have to itself a warning saying about duplicate of IP and you asking to fix it.  Click Cancel.
  4. go back to change the settings of the virtual machine in vSphere Client
    1. and remove the old network card
  5. fact!

Tags: VMware

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