How To Fix VMware Error IP address already assigned to another adapter

There has been times when you have deleted a NIC in VMware and to the eye it looks like it is gone but really it is still there and it rears it’s ugly head when you try to re-add it to a Windows VM. You will receive errors similar to the following. The IP address XXX.XXX.XXX.XXX you have entered for this network adapter is already assigned to another adapter Name of adapter. Name of adapter is... read more

Network performance with VMXNET3 on Windows Server 2008 R2

Recently we ran into issues when using the VMXNET3 driver and Windows Server 2008 R2, according to VMWare you may experience issues similar to: •Poor performance •Packet loss •Network latency •Slow data transfer The issue may be caused by Windows TCP Stack offloading the usage of the network interface to the CPU. To resolve this issue, disable the TCP Checksum Offload feature, as well enable  RSS on the... read more

How to Install VMWare Workstation 8.0.4 on Fedora 17

Recently ran into an issue were I was receiving VMWare module compilation errors when installing VMWare Workstation 8.0.4. The error I was receiving was it couldn’t execute and find the kernel-headers which were installed but not where VMWare was looking for them. Download and install latest licensed version 8.0.4 from $ chmod +x... read more

Updating VMWare ESXi Hypervisor 5

Recently I built a VMWare ESXi Hypervisor 5 server for testing and learning purposes. As a good admin you must always patch and VMWare is no exception. First download and install VMWare vCLI from You must have an account on VMWare to download the products, the account is free. I will be using vCLI installed on Windows 7 x64 Professional, so the path maybe... read more

Installing and updating ESXi 5 VMtools with OSP

Recently I had the pleasure of building n ESXi Hypervisor 5 server. Server sprawl has taken over and the time has come to consolidate. The first VM’s to create are my web and database servers. After the build I was needing to install VMtools to get the full functionality on my CentOS / SL / RHEL 6 servers. There are several ways to do this but a way to add a repo and have it install updates when I... read more

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