HA isolation response

To test HA isolation response, you don't necessarily need to physically pull the Service Console NIC cables from the host. You can disable the vswif interface remotely with the command esxcfg-vswif -d [vswif_name]. Be sure you have out of band remote access to the host hardware because you will lose network connectivity to it. To restore the vswif, the command is esxcfg-vswif -e [vswif_name].
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Decoding FT Problems

Decoding FT Problems

Receiving errors while trying to configure FT on a VM and stumped as to the reason why? Examine the vCenter server log in your vSphere Client and find the entry when the FT error occurred. Note the "reason = " line and cross reference it in the following URL:

http://bit.ly/114K3E
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vCenter Converter ports

Required VMware vCenter Converter ports
Powered on Windows OS (P2V): TCP 443, 445, 139, 902, 9089, UDP 137, 138
Powered on Linux OS (P2V): TCP 22, 443, 902, 903
Existing VM (V2V): TCP 139, 443, 445, 902, UDP 137, 138

http://kb.vmware.com/kb/1010056
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New in VMware vSphere 4.1

What's New in VMware vSphere 4.1

vCLI Enhancements - vCLI adds options for SCSI, VAAI, network, and virtual machine control, including the ability to terminate an unresponsive virtual machine. In addition, vSphere 4.1 provides controls that allow you to log vCLI activity.

http://vmware.com/pdf/vsphere4/r41/vsp4_41_vcli_inst_script.pdf
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Service Console vSwitch

A Service Console vSwitch with only 1 pNIC will result in a constant yellow warning banner in vCenter indicating the lack of network redundancy for the Service Console. This warning can be disabled by changing the advanced HA setting das.ignoreRedundantNetWarning from false to true. However, do understand the negative implications of no Service Console redundancy.
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License per CPU socket

Applications that license per CPU socket will cost extra $ in a vSMP VM. The following tweak will allow the application to see CPU cores instead of CPU sockets:
1. Power off the VM & Edit the VM settings
2. Options tab
3. General (in the Advanced options section)
4. Configuration Parameters
5. Add Row
6. Enter "cpuid.coresPerSocket" in the Name column
7. Enter a value of 2, 4, or 8 in the Value column
http://bit.ly/9yiROJ
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VI3 License File Locations

VI3 License File Locations

Centralized server based license files are located on the vCenter License Server in the default directory of C:\Program Files\VMware\VMware License Server\Licenses

Decentralized host based server license files are located on the ESX host at /etc/vmware/vmware.lic

vSphere utilizes license keys as opposed to centralized server based license files.
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