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vSphere 6
Lost access to volume due to connectivity issues
Recently, I ran into an issue with a host where performance would tank from the client side. VM consoles and RDP sessions would disconnect as well as the host would become unresponsive to any types of commands within the vCenter…
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vSphere 6
Can you Install VMware ESXi on 4kn Drives
The answer to the question posed in the post title is – yes you can INSTALL ESXi on 4kn drives. However as I tested recently, the problem you will run into is being able to add a datastore. Let’s take…
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Windows Server 2016
Prepare Active Directory Windows Server 2016 DC Adprep
With the RTM release of Windows Server 2016, many will be thinking about and looking to introduce a Windows Server 2016 domain controller into their existing Active Directory environments. Let’s take a look at how to prepare Active Directory Windows…
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Networking
How to Upgrade Dell Nseries Firmware
A quick post on how to upgrade Dell Nseries Firmware and the process involved. What you will need is a TFTP utility of your choice running on the network as well as the latest firmware file for your Nseries switch,…
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Windows Server 2016
Windows Server 2016 RTM Installation and Configuration
Well, with Windows Server 2016 now RTM, many administrators are gearing up to start looking at installing their first WS2016 server in their environments, myself included. There is a whole range of new features especially with cloud capabilities that make…
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Networking
What happens Same IP Range different subnet mask
I had this question posed to me the other day and it is one of those curiosity questions that you may have asked before or perhaps had a situation that presented itself that gave cause to thinking about this question.…
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Networking
VIRL vs GNS3 vs Packet Tracer which one
Network simulators are a great resources for mocking up certain scenarios, learning, certifications, and plain old “what will happen if I do this in my network” testing. There are are a variety of simulators available out in the wild for…
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ActiveDirectory
Nakivo 6.1 Backup and Restore Active Directory
In enterprise environments today, Microsoft’s Active Directory (AD or ADDS) is by far the most widely used authentication engine that provides identity management as well as access to resources and objects. According to Microsoft’ own statistics, over 90% of businesses…
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VMware
ESXTOP troubleshoot VM network connectivity
ESXTOP is one of the best all around troubleshooting tools in the toolbox of a VMware administrator and it is a built in commandline tool available as soon as you install ESXi. It is an extraordinarily valuable tool to use…
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Networking
Troubleshooting VMware Workstation Network connectivity
Typically, I use VMware Workstation every day running work VMs and performing other testing. I also troubleshoot VMware Workstation for other users as well. From time to time, I have seen issues with VMware Workstation network connectivity either in Bridged…
