Microsoft Exchange – No DNS servers could be retrieved from network adapter

The other day whilst virtualising an Exchange 2010 server from Hyper-V to VMware we found that mail routing outbound stopped working. When looking in the event log we found; Error ID: 16025 No DNS servers could be retrieved from network adapter %1. Verify that the computer is connected to a network and that the Get-NetworkConnectionInfo … Continue reading Microsoft Exchange – No DNS servers could be retrieved from network adapter

Building a Veeam Lab – a recommended architecture

This blog posts spawns from an interesting discussion between the Veeam Vanguard members on what components are needed to build an effective lab for testing out most of the Veeam features, especially with v10 around the corner. So, I’ve put together something that should hopefully work for this; I’m not really going to focus on … Continue reading Building a Veeam Lab – a recommended architecture

Notes from the field – Penetration tests

This blog post is by no means a comprehensive guide from an expert in the cyber security area. However my previous role meant I had the pleasure of reviewing a number of customer penetration tests and from this, pretty much all of them were all exploited in the same way. So I put together some … Continue reading Notes from the field – Penetration tests

Setting up a Nimble Secondary Flash Array from scratch

Nimble Storage have released their newest addition in the line up, the SFA, or to give its full name, the Secondary Flash Array. And in this post, we are going to look at how to set one up from scratch. Taken from the following datasheet; The Nimble Secondary Flash Array represents a new type of … Continue reading Setting up a Nimble Secondary Flash Array from scratch

Deploy a Cisco UCS system – Part 1 – from scratch for VMware ESXi

Part 1 – Setting up Fabric Interconnect, and UCS Manager settings Part 2 – Configuring Connectivity & Setting up the policies and Service Profiles Part 3 – Deploying ESXi via KVM onto FlashFlex (SDCard) Part 4 – Upgrading the Firmware First off, huge thanks to the following posts by Rene Van Den Bedem and his Cisco UCS … Continue reading Deploy a Cisco UCS system – Part 1 – from scratch for VMware ESXi