Generate CSR on Windows Server

In this example I am creating a Certificate Signing Request on a Windows 2008 R2 server. Choose “create custom request” and set the options as below. Note if installing on a TMG server you may need to change the above template to “legacy”. On the next window click on “details” and then “properties” You will …

Create ACL for Guest VLAN

In this example I am creating an access list to restrict access to the “main” network from a “guest” vlan. The exception to this is the DHCP server that the guests will need to connect to pick up an address. Main network subnets 10.100.10.0/24 192.168.252.201/22 10.99.10.0/24 Guest network subnet 10.40.0.0/21 DHCP server 10.99.10.101   Note …

Configure Exchange to Use FQDN URLs

When installing a new SSL certificate you may find that you need to change the URLs used by Exchange as you can no longer get SSL certificates with non-internet FQDNs. E.g. You can’t use exch2010.mycompany.local as .local is not an internet domain. You will need to configure your Exchange server to use an FQDN – …

Update Intel Drivers on VMWare ESXi

This article explains how to update the X710 & XL710 series of network adaptors on ESXi 6 I had to do this to fix a Purple Screen Of Death (PSOD) issue when using 10GB Intel X710 adaptors. Check Current Version of Drive and Firmware You can check this via the shell with the command ethtool …

How To Configure DCB on Dell Force 10 switch

  DCB allows switches to prioritise different types of traffic via either a lossless queue or Priority Flow Control (PFC). This permits to the switch to pause non-priority traffic when congested. Traffic is paused according to the 802.1p priority. You can also divide available bandwidth between different traffic types by setting parameters known as Enhanced …

Recovering Dropbox Files Encrypted with Cryptolocker

This article explains how to recover a file from dropbox when it has been encrypted by Cryptolocker. As cryptolocker changes the file extension for all files to “.encrypted” the original file can be found in deleted items. On a non-infected PC logon to the dropbox website. Navigate to the folder required and click on the “show …

How To Update Standalone ESXi host

This article explains how to update a standalone (i.e. not managed by vCenter) ESXi host to a later version. Enable Remote Shell Access In this example I am connecting to the ESXi server remotely. Alternatively you could run this from the ESXi shell via the console. Logon to the ESXi server via the vi client …

How to setup DFS on Windows 2012

In this example I am setting up a very basic DFS infrastructure for a company with one head office and one branch office. The DFS server in head office is called Training-DC1, the DFS server in the branch office is called Training-DC2. We want to create a folder that is available and replicated to both …

70-414 Study Notes

Some notes I’ve made whilst studying for 70-414. I’ve tried to keep them as concise as possible. Some of the screenshots are from older versions of windows but are included to show specific settings. System Center 2012r2 Orchestrator – A workflow management solution for the data center that lets you automate the creation, monitoring and …