Install .NET 3.5 on Windows Server 2012 R2

If you have an application that you want to run on Windows Server 2012 that requires the .NET Framework 3.5, you will most likely run in to a problem when trying to install it. If you are trying to install .NET Framework 3.5 from the Server Manager GUI, you will see this when installing the feature:

“Do you want to specify an alternate source path? One or more installation selections are missing source files…”

Windows Disable the "Open File Security Warning" message

Original article can be found here:


I really hate those "are you sure" security questions. They just dull your senses towards security and people just learn to click through them anyways.

So, lets just save the trouble and get rid of them altogether.

Windows 8 Shortcuts

IT professionals will perform most familiar tasks in Windows 8 and Windows 8.1 the same way as they do in Windows 7. The same keyboard shortcuts work in Windows 8 (e.g., Windows key + E and Windows key + R), and Windows 8 adds some great new ones. The same desktop experience is there, including the taskbar, pinned desktop apps, thumbnail previews, and more. You copy files, manage tasks, and administer the computer with the same tools.

Changing SMP HAL to use a UP HAL Windows 2008 and 2007

That is pretty clear as well. If you are looking to reduce the number of vCPUs being utilized in your environment don’t expect a reboot to be all that is required to have the VM running in uniprocessor mode.

Forcing Windows 2008/2008 R2/7 to redetect and use an appropriate HAL for the number of vCPUs it has been allocated or has been changed is a pretty simple affair:

Execute MSConfig, and then go to tab Boot -> Advanced Options…, check option “Number of Processors”, change the number to # of vCPUs being utilized.

Or using command line:


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