Top Support Solutions for Windows Server 2012 R2

This is a collection of the top Microsoft Support solutions for the most common issues experienced when using Windows Server 2012 and Windows Server 2012 R2 (updated quarterly). Note that some content that applies to earlier versions of Windows Server is listed, because it can be also helpful with Windows Server 2012 issues. 1. Solutions…


Troubleshooting Windows activation failures on Azure VMs

If you are experiencing Windows activation failures on an Azure VM, please try the following steps to resolve the issue. An example of an error message you may see is: Error(s): Activating Windows(R), ServerDatacenter edition Error: 0xC004F074 The Software…(read more)


The Most Popular Posts of 2014

Hey y’all, Mark back again to help close out another successful year of blogging. We’ve been at this for three years, which feels insanely long as well as feeling like this just started up a few weeks ago, which is weird. Trust me. We want to thank you the reader again for sticking with us…


Securing DC to DC communication with IPsec using Windows Firewall with Advanced Security (WFAS) Connection Security Rules

Hi folks, Lakshman Hariharan and Martin Solis here with a post on how to secure domain controller to domain controller communications using Windows Firewall with Advanced Security (WFAS) Connection Security Rules. Be forewarned that this is a long post, much of it taken up by screenshots. A common example of an implementation is the securing…


Mailbag: Tech the Halls (Issue #4)

Hey y’all, Mark, Tom and the AskPFEPlat crew back for our last mailbag of 2014. It’s getting around the holidays, lots of people start to take vacation including myself. But don’t worry we’re really starting to get into a good rhythm with these posts and it’s looking like we’ll stick with this experiment for 2015….


Disk Performance Internals

Abstract: Storage is the slowest component of most computer systems. As such, storage is often a performance bottleneck. This article discusses the disk performance kernel provider, partition manager.  By understanding how the disk performance provider…(read more)


How to (correctly) check file versions with PowerShell

Howdy folks Matthew Reynolds (@MatthewMWR) here. I focus on enterprise Windows optimization and security for Microsoft Services. You might remember me from How Many Coffees Can You Drink While Your PC Starts ( https://channel9.msdn.com/Events/TechEd/NorthAmerica/2014/WIN-B359 ) from TechEd or PowerShell Deep Dives ( http://www.amazon.com/dp/1617291315/ ) from Manning Press. The following should be simple questions, but I…


PSA: Incorrect MTU size causes connectivity issues with Windows Server 2012 and Windows Server 2012 R2

Greg Jaworski here to make readers aware of a support issue where network interface drivers may set an overly large MTU value of 1514 bytes. Problems arise when such large packets cannot be passed by the underlying network infrastructure. As this blog post will illustrate, connectivity failures caused by this condition can cause an array…


Mailbag: Black Friday (Issue #3)

Mark and Tom here again with Mailbag Issue #3. Keep a copy of these first issues in the walls somewhere, they’ll be worth a fortune one day. We hope all of our friends in the US had a great Thanksgiving and that all of our friends around the rest of the world had a great…