Category Archives: Tech Notes

Tech Note: Tombstone Active Directory Domain Controllers

I have a number of test platforms which I use, and last week I started one which had been offline for a number of months. It consists of two Hyper-V Virtual Machines, each running Windows Server 2012 R2. These servers are configured as ADDC in the same domain and the last time I used them all was working as expected. However, upon firing them up I noticed a few errors with Active Directory Replication, the problem? My Active Directory Domain Controllers were tombstoned.

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Tech Note: Command Line Interface – Ping

Pinging Internet connections and network devices can be an extremely useful first step when diagnosing network problems. Windows has a tool called Ping, which, as the title of this post suggests, is run from the command line. It is used to test the reliability of a host on an IP network, and to measure the time taken for messages sent from the originating computer to reach the destination host or network device.

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Tech Note: Introduction to PowerShell

What is PowerShell?

What exactly is PowerShell? A scripting language? A command line interface? Well both and more, PowerShell is a platform that provides the ability to interface with your environment via a number of tools, called cmdlets. PowerShell can be used to perform a number of tasks such as gathering remote computer information, performing user tasks and troubleshooting system problems, so whether you’re an entry level helpdesk technician or experienced IT Professional, PowerShell is a tool you’ll need to learn. Continue reading

Tech Note: Installing Microsoft .NET Framework 4

I’ve talked about upgrades before and the fact that they are part of a Technical Support Professionals job. The other day I was asked to upgrade a web application on a production file server. Ok no problem, the developers documented the process, I can fully backup the web application and its backend database, however the latest version is built using Microsoft .Net v4. So, how to upgrade the version of Dot Net Framework required? Follow the instructions below and you should be ok.

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