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Configure software iSCSI networking from the CLI.

Follow these steps to configure software iSCSI networking on an ESX server. In this case I’ll be creating a new vSwitch, new Port Group on the new vSwitch and I’ll add the VMkernel port to the vSwitch. This setup will support the Jumbo Frames (MTU 9000). After that I’ll add an iSCSI target to the iSCSI software adapter and rescan the adapter for new targets. Login as Root user on your ESX server. List the vSwitches with #esxcfg-vswitch -l and check the next available […]

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How to install a language pack on Windows Server 2008 (R2).

The language packs provide an alternative user interface for the users. I mostly use the language packs when I’m deploying Windows Remote Desktop Services. Here is a short “how to” to install a language pack on Windows Server 2008 (R2). First, download the language pack from Microsoft. You can find it at the Download Center. I’ve downloaded the entire Multilingual User Interface (MUI) ISO and burned it to a DVD disk. If you are installing the MUI […]

Windows Server 2008 R2

Synchronize time with external NTP server on Windows Server 2008 (R2).

NTP synchronization is an important aspect for all computers on the network. By default, the clients computers get their time from a Domain Controller and the Domain Controller gets his time from the domain’s PDC Operation Master. Therefore the PDC must synchronize his time from an external source. I usually use the servers listed at the NTP Pool Project website. Before you begin, don’t forget to open the default UDP 123 port (in- and outbound) […]

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Windows XP clients disappear from the WSUS console.

A few days ago I came across a strange issue with some Windows XP clients and Windows Update Server Services 3.0. The XP client PC’s were mysteriously disappearing from the Update Services Management Console. For example, when one client made a connection to the WSUS server to check for new updates, the other one will disappear from the console. This behavior could be replicated when running the C:>wuauclt /detectnow command on one of the affected […]


How to enable Jumbo Frames on a HP ProCurve Switch.

When configuring an iSCSI network, don’t forget to enable the Jumbo Frames on you physical switches. Follow these steps to enable the Jumbo Frames on a specific VLAN on a HP ProCurve switch: Login to your switch. After login type: <switch># config You will enter the config mode, type: <switch>(config)# show vlans to show the VLAN configuration. To enable Jumbo Frames on the VLAN type: <switch>(config)# vlan <ID#> jumbo Check if the setting applied successfully […]


TechNet Live 2009 @ World Forum, Den Haag.

Today (8 October 2009) I attended with some of my colleagues the Microsoft TechNet Live – Join the new efficiency at the World Forum Den Haag, the Netherlands.  We arrived a little bit too late to see Steve’s  Ballmer keynote about “The New Efficiency” because of the traffic jams but we could catch Tony Krijnen and Daniel van Soest “Windows 7 – Seeing is believing” keynote which was great, as you could expect from this duo […]


Passed the Microsoft 70-403 Exam!

This morning I passed the Microsoft 70-403 System Center Virtual Machine Manager 2008, Configuring  exam! The exam wasn’t difficult at all; I was surprised by the low technical level of the questions. I got 44 questions and I’ve cleared them in a little bit more than an hour. What kind of questions could expect at this exam? I got a lot of questions about Performance and Resource Optimization (PRO) and about installation, configuration and the User […]