I've been getting the following error when trying to access a new Excel COM object: Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Excel._Application'. This operation failed because the QueryInterface call on the COM component for the …

I'm fortunate enough to have a single 44" ultrawide screen as my daily monitor when I'm docked. Unfortunately this means that when I'm presenting a slide deck, I lose access to other applications since I'm using a single monitor and it's taking up all of it.

Thanks to everyone who joined me at The Browser Summit hosted by the Charlotte Systems Management User Group and sponsored by Jeremy Moskowitz PolicyPak.

In this post, we're going to stand up the issuing CA. There's no rule that says your issuing CA needs to be the child of a Root CA owned by Google. If you already have an internal Root CA, you could submit the certificate request to that root, however that is outside of the scope of this post.

In this post we're going to talk about the operational work associated with managing the Microsoft CA. There are three things we'll touch on here. First, manually updating your Root CA CRL which should be done based on how you setup your CA. In this lab, that would be at least once every 6 months. Second, we'll talk …

Google currently offers cloud based Certificate Authority in their suite of services available to enterprises. In this post, I'm going to stand up a new Root CA in the Google Cloud Platform.

In this post, we'll discuss how to use the Certificate Enrollment Web Interface that we installed back in Part 2 of this series. The web interface doesn't seem to be widely used since the Certificates MMC snap-in does most of the work, but it's useful to know it's there.

I'm going to show you how to use SQL Server Management Studio to get data from Configuration Manager. I want to thank Adam Cook and Adam Gross who both gave me the encouragement to finally put this together. For best SQL readability, make sure you're watching in HD.