DreamOn Technical Blog

Category: Windows

Windows Anti-Virus Exclusion List

If you ever need it here are the links where you can find what AntiVirus Exclusions you want to configure for your Windows Server.

Enterprise Configuration Recommendations:


  • KB822158 Virus scanning recommendations for Enterprise computers that are running currently supported versions of Windows

Windows / Active Directory:


Forefront: Considerations when using antivirus software on FF Edge Products






Config Manager 2007:






Windows Update:



System Center:

Data Protection Manager:


Source: http://social.technet.microsoft.com/wiki/contents/articles/953.aspx

vSphere Client performs slowly on a Windows 7 system

You can run into the following problems when running VMware vSphere client 4.x on a Windows 7:

  • Redraws are visibly noticeable, especially when maximizing the VMware vSphere Client 4.x
  • The performance of the vSphere Client is slow

Well the problem is the desktop composition, short aero from Windows 7

Desktop composition is also known as Aero. It can either be disabled globally or on a program by program basis. Having it disabled while running such things as 3D games may provide a performance bump.

You can resolve the problem by disabling the aero, if you like the aero you can just disable it when running the VMware client. This can be done by following the next steps:

  1. Right-click the shortcut for the VMware vSphere Client and click Properties.
  2. Click the Compatibility tab.
  3. Select the “Disable desktop composition” option
  4. Click Ok

When you open the VMware vSphere client now you will see that the aero will be disabled and the vSphere client will preform normally.

Desktop composition is also known as Aero. It can either be disabled globally or on a program by program basis. Having it disabled while running such things as 3D games may provide a performance bump.

Windows 7 All Versions DVD

When you buy a Microsoft Windows 7 in the store, the only version you can install is the version you bought. Well there is a trick to show all the versions this way you can install any version you want from basic to ultimate.

To accomplish this you just have to delete the ei.cfg file in the folder /sources/ on the windows DVD
And burn the DVD again. If you have the iso on your computer you can use the eicfg_delete_utility from http://code.kliu.org/misc/winisoutils/ download here. Continue reading

Windows 7 USB Installation

Yesterday on a nice evening I wanted to upgrade my HP Mini to Microsoft Windows 7.
The HP Mini doesn’t have a CD/DVD-ROM drive on board as many mini notebooks.
I had two options connect a external dvd-drive or create a bootable USB Stick.

There is not much fun in just connecting a external dvd-rom drive so I went for the option of creating a bootable Microsoft Windows 7 install stick.

Surfing the web searching on how to create an installable Windows 7 USB stick, I noted there where some different options in creating one. I tested them out and will explain them.

The 2 different versions I tested:

  1. Difficult: manual way of creating a bootable Windows 7 install USB stick
  2. Easy: Automatic way via a tool to create a bootable Windows 7 install USB stick

What you will be needing:

  • An empty USB stick minimum 4GB
  • An Microsoft Windows 7 install DVD ISO file
  • A computer to prepare the USB drive
  • A computer or virtual machine to test the USB boot stick.

Continue reading

vCenter disconnect Idle connections

In the previous post I introduced you guys to basic PowerCli

Well Today I’ve got a practical example script.
Over the last few weeks we had a lot of open sessions on our vCenter server.
This from people leaving there client open and never closing them (retards, sorry for the language).
This generated some idle sessions from a few hours to a few days :-S

This got so on my nerves that I wanted a solution for this, unfortunately vmWare did not implement the feature to disconnect idle session after a specific time in the Client or vCenter settings.

So time to build a script Continue reading

Powercli small introduction

Ever needed to do some bulk operation in you’re vmware virtual environment ?
Or just needed information of a bunch of virtual machines ?

Then you probably had a lot of manual labor to do in the vShere client.
Well vmware came with  a solution:

The program is called VMware vSphere PowerCLI and more information can be found here.

A short discription in the words of vmWare:

VMware vSphere PowerCLI provides a Windows PowerShell interface to the vSphere API. vSphere PowerCLI includes PowerShell Cmdlets (pronounced, “command-lets”) for administering vSphere components. In addition, the vSphere PowerCLI package includes the vSphere SDK for .NET for developers who want to create their own applications.

Let’s get started implementing and using the PowerCli

Continue reading

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