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Blog & Tutorials

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

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...

How to delete the Hiberfil.sys file?

So, how do you delete the Hiberfil.sys file on Windows 2008 server and/or Windows Vista machine? Our Dell server’s boot partition ran out of...

Mapped direct-access LUN that is not accessible error

On Vmware ESX or ESXi: If you are trying to Vmotion a Virtual Machine (VM) that has a Raw Device Mapping (RDM) attached, you may...

Debug and Optimize vBulletin with Config Constants

If you use vBulletin forum software, you probably know what a wonderful piece of code it is and type of features, enhancements it offers...

Installing Drivers for Additional NICs in VMware ESXi Server

This is a how-to guide on installing additional drivers for network adapters for which vmware ESXi may not install drivers during installation. During our initial setup of the new Dell PowerEdge R710 servers, we ran into issue where ESXi 4.0 U1 did not detect the 2 Intel Gigabit Quad Port ET NICs that the each server came with.

Firewall, NAT and DNS, reverse DNS entries do not match Error

If you host your own email behind a NAT device or firewall, you've probably seen this issue come up at least once in your...

How to configure Backup Exec to purge Exchange email logs?

If you have a busy Exchange email server, your log folder can grow to a humongous size in no time. Recently, our exchange 2007...

How to enable iSCSI and Jumbo Frames on VMware ESX/ESXi

I am redoing my lab at home (more on that in coming weeks) and wanted to test out jumbo frames support in vmware esxi...

Blog & Tutorials