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Blog & Tutorials

Virtualization blog featuring my home virtualization lab, tutorials, network topology and configuration guides in the virtualized environments.

Backup and Restore VMware ESXi host configuration

So, how do you backup and restore ESXi host configuration? Having a backup plan for your virtual machines is important but you can enhance...

Poll: VMware vCenter Database Requirements and Issues

What Windows OS and database platform is your virtual infrastructure running on? With over 20 database software platforms, numerous OSes, there is bound to be problems and incompatibility issues. I've had an opportunity to deal with one of those issues over the last few days. At one of my clients, vCenter 4.1 was running on Windows Server 2008 R2 with SQL Express edition, everything was working as it should until the VMware vCenter services started failing, vSphere client would not authenticate and log system admins into management console, so in other words, major problems as server provisioning and deployments were delayed!

VMware Vcenter Sysprep Error: Customization of the guest operating system ‘windows7Server64Guest’ is not supported

I ran into an issue in VMware vcenter in my lab where sysprep would not start on virtual machines (VMs) deployed from a windows...

How to Upgrade from ESX/ESXi 4.1 to ESX/ESXi 4.1 Update 1

Its been almost 3 months since VMware released an update for its vSphere 4 product. I've began upgrading my lab and clients and wanted...

VMware VCP410 Exam Promotion code

Its about time VMware released a promo code for their VCP410 exam. If you are studying for VCP exam then this could save you...

Overview of the Veeam Backup & Replication Software

In my last blog I went through various hardware that we use for backup purposes and their specifications. Since I wrote that article, I've...

Invalid configuration for device 4 Error When Cloning or vMotion a Virtual Machine

When performing vMotion on a Virtual Machine (VM) or a template on vDS (virtual distributed switch) configuration, you may come across this error: Invalid configuration...

Exchange 2010: External email fails Delivery to a Distribution List Email Address

In your exchange server setup, you have the ability to create distribution lists or distribution groups as they are commonly known in Exchange Management...

Blog & Tutorials