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I ran into some problems usingthe VC Client Update Manager. After checking the .ZIP update file it came with an error.

The solution, download the .ZIP upgrade file, extract it and copy it to your ESXi server using winscp or VC storage browse

Go to the directory where you placed the files and do the manual upgrade to ESXi 4.1 as follows :

Place your ESXi server into maintenance mode;

esxupdate update -m metadata.zip (after that restart your server and check the build level)

You’re al done!

I install my ESXi servers with a pre-compiled version with ESXi with SSH access already enabled. But for the people who don’t, this is how you enable (unsupported!) SSH access to ESXi.

Logon to the console (you don’t have SSH access, so this is the only option)

Press ALT-F1 and type unsupported (you don’t see what you type) and hit enter.

You will be asked for the root password. Now you can edit using VI (no, nano isn’t there!) the /etc/inetd.conf

Search for #ssh (2 lines) and remove the #. Save the file using :wq and restart the server.

You are al done!

This is just a quick note to describe how you can easily change the vlan ID of the service console in ESX.

To remove the vlan id completely, just set it to 0 (in case you have set it by accident on an access port)

esxcfg-vswitch vSwitch0 -v 0 -p “Service Console”

To set a vlan id on the service console (in case you forgot to define this during the installation)

esxcfg-vswitch vSwitch0 -v X -p “Service Console” (enter the vlan number where X is)

Of course make sure to check which vSwitch the Service Console is on (and the name of the Service Console) with esxcfg-vswitch -l

When using several VMFS 3 datastores, there is no need to use the VMFS 2 driver. You can unload the driver with the following command :

vmkload_mod -u vmfs2

Also, if you are not using (or planning to use) NFS datastores, you can also unload the NFS driver with the following command :

vmkload_mod -u nfsclient

In my (growing) lab environment the performance improvement was considerably.

VCDX Defense

Defense interviews will be held during the following days:

• July 5-9, Melbourne, Australia (Application Deadline: May 18)
• August 23-27, San Francisco, CA (Application Deadline: June 21)
• October 11-15, Copenhagen, Denmark (Application Deadline: August 2)
• November 1-5, Cambridge, MA (Application Deadline: Aug 30)

Completed applications will be scheduled in the order recieved.

For those people not using the Enterprise Plus license for vSphere :

Although this issue has been resolved with vSphere 4 U1, for those of you that haven’t upgraded please be aware of a known issue with Windows 2008 R2 and Windows 7 where the guest operating system can freeze for a long period of time.  The issue is noted in VMware KB 1011709.