IT Knowledgebase Articles

Command Line WMI: Query Remote Machines

The ability to gather information from remote computers is where WMI can really come in handy. In Part 2 of this three-part series, Jeff Hicks shows how to query remote machines and work with WMIC right from the command line.

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Cisco Unified Computing System: UCS Manager Simulator Overview

Last Update: Sep 04, 2024

Are you looking to gain experience with the Cisco Unified Computing System (UCS) platform, but don’t have access to a UCS lab? No problem! Sean Wilkins shows you how to use UCS Platform Emulator (UCSPE), Cisco’s perfect low cost solution.

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Introduction to Microsoft’s Private Cloud with System Center 2012

Last Update: Sep 24, 2024

Introducing Microsoft’s Private Cloud, which allows a faster delivery of services, and a more categorical approach to your datacenters and your method of delivering services while utilizing System Center 2012.

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How to Determine which Attribute will be Saved for a Deleted Active Directory Object

Last Update: May 24, 2025

In this post, Daniel Petri shows how to determine which attributes will be saved for a deleted object. To perform the steps in this article, you must be a member of the Schema Admins group, and have network connectivity with the DC that holds the Schema Master FSMO role.

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Troubleshooting VLAN Switch Problems: No Connectivity

Last Update: Sep 04, 2024

In the conclusion of this two-part video post, seasoned Cisco professional and CCIE Joe Rinehart takes you through step-by-step how to troubleshoot VLAN and switch problems, specifically a “No Connectivity” issue.

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Command Line WMI: Basic Syntax and Querying

In part 1 of this series, Jeff Hicks shows you how to take advantage of Windows Management Instrumentation (WMI) and how to use it as a database you can query, without a single bit of scripting or using a PowerShell command.

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Cisco First Hop Redundancy Protocols: HSRP, VRRP, GLBP

Sean Wilkins explains how to implement a first-hop redundancy protocol, using Cisco’s Hot Standby Router Protocol (HSRP), Virtual Router Redundancy Protocol (VRRP), and Gateway Load Balancing Protocol (GLBP). This article gives an overview of these protocols and describes how they differ.

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How to Find and Restore Deleted Objects in Active Directory

Last Update: Jun 05, 2025

If you have ever wondered where you can find an object that was deleted from the Archive Directory or if you ever wanted to see the details of your lost objects, this post by Daniel Petri can help you. With these instructions, you will have the ability to recover deleted objects.

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How to Resize Windows Virtual Machine Disks

Last Update: Nov 19, 2024

As fast as hard drive capacities grow, so does the amount of data users expect to store on them. In this post, storage expert Tom Finnis shows how to re-size existing drives in Windows, when what may have seemed like plenty of storage when you first installed a Windows VM is now not enough.

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Troubleshooting VLAN and Switch Problems

Last Update: Sep 04, 2024

In Part 1 of this two-part video post, seasoned Cisco professional Joe Rinehart takes you through step-by-step how to troubleshoot VLAN and switch problems. He discusses common general switch issues, VLAN related issues, and spanning-tree issues, as well as VLAN/switch troubleshooting techniques.

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