After upgrading to vCenter Server 5.5 Update 1, logging in to vCenter Server reports the error: Failed to verify the SSL certificate for one or more vCenter Server systems (2074942)

Well this certificate Issue generates a multiple of probllems. After upgrading an old installation to accommodate for vmware Horizon 6 i discovered that view storage acceleration was not available from my vCenter. One thing led to another and it turns out it’s a certificate issue. My installation was living all this time with a 512bit Key which needed upgrading. After this you need to reregister all vmware servivces relevant.
Here goes some cut and paste

Continue reading After upgrading to vCenter Server 5.5 Update 1, logging in to vCenter Server reports the error: Failed to verify the SSL certificate for one or more vCenter Server systems (2074942)

NAS4Free under ESXi

One surprising thing I noticed when testing out NAS4Free is the lack of documentation with regards to installation on VMware. I can understand a viewpoint that a NAS is a NAS and not to be anything else, but what about working loads where that kind of raw performance is not required (granted the virtualization overhead these days should be within 5-10% of physical). In any case the below instructions are written with running ESXi 5.1 with NAS4Free 9.1.0.1, for ease of reading the directions are broken down into three sections. Continue reading NAS4Free under ESXi

How to unregister vCenter plugin/extension using the MOB

I saw a post on the VMTN forums the other day about unregistering a vCenter plugin. The user had a bad installation of an early preview of NetApp’s VSC utility. After uninstalling the plugin, the user was still unable to unlink the plugin from vCenter. There is actually a pretty simple solution to this . . . → Read More: How to unregister vCenter plugin/extension using the MOB

VMware vCenter 5.1 Service will not start on Windows Server 2012

The vCenter Server is dependant on the ProtectedStorage Service that no longer existas in windows 2012

ProtectedStorage is a dependancy for most applications using .NetFramework in Windows 2012. A simple workaround is to remove the dependancy which will not affect your production application anyway unless you have clustering features unabled for this application.

Browse . . . → Read More: VMware vCenter 5.1 Service will not start on Windows Server 2012

Tweaking Java.exe memory usage on vCenter Server 5.1

During the upgrade of my home lab from vSphere 5.0 to vSphere 5.1 I have noticed that there is more memory consumption on my vCenter Server than before the upgrade. According to the vSphere Installation and Setup Guide, this happens because vCenter Server includes several Java services in the installation (VirtualCenter Management . . . → Read More: Tweaking Java.exe memory usage on vCenter Server 5.1

vCenter Converter Standalone 5 – Increasing the cloning performance

There have been many complaints about transfer rate degradation in Converter 5.0.

Converter uses NFC (a proprietary VMware protocol) for cloning to managed destination. Security has been enhanced in Converter 5.0 by encrypting the data transfer. Unfortunately this has caused a more severe performance degradation than expected. Switching off SSL encryption is a . . . → Read More: vCenter Converter Standalone 5 – Increasing the cloning performance

how to add a static route to vmware esxi server

ESX console “unsupported” trick to add static route to a ESXi host.

How to add a static route to ESXi machine:

Login to local console Hit Alt+F1 Type (there is no feedback): unsupported Console will show Password prompt Enter root password Use esxcfg-route command to manipulate routing talbe entries e.g. #> esxcfg-route -a . . . → Read More: how to add a static route to vmware esxi server

How to: Upgrade to vSphere 5

On July 12th, VMware announced the release of vSphere 5.

With the release comes the challenge to upgrade your existing installation.

However, there are a few caveats:

vSphere 5 is the first version which comes in a ESXi version ONLY! ESXi 5 is available in an embedded or installable version. If you’re running ESX . . . → Read More: How to: Upgrade to vSphere 5

vSphere 5 Auto-deploy in 20 steps

One of the new features of VMware vSphere is booting the ESXi hosts from PXE. This feature is called Auto-Deploy and gives you the ability to use stateless ESXi servers.

Below is a step-by-step guide to get you started. It assumes you use the vCenter Virtual Appliance. of course auto deploy also works with . . . → Read More: vSphere 5 Auto-deploy in 20 steps

Clipboard Copy and Paste option is disabled in vSphere Client 4.1

Symptoms

  • Cannot copy and paste from the virtual machine remote console to the system in which the vSphere client is installed
  • The Copy and Paste options are disabled in vSphere 4.1
Note: This functionality was enabled by default in earlier releases of vSphere.

Continue reading Clipboard Copy and Paste option is disabled in vSphere Client 4.1