DHCP is the mechanism that gives most client these days the tools (ip address) for connectivity. Most companies however do not realize the importance of the DHCP service and do not cluster nor have another server as standby when the DHCP server fails. If the DHCP server fails, most clients will not receive a new ip address and will seize to work on the network. While clustering is improved in Windows 2008 and sort of made easy for administrators, most of them are reluctant to implement a failover cluster for DHCP. In Windows 2008 R2 we have Split-Scopes, remember the 80-20 rule for DHCP servers, it kinda the same, but then made easy. For this article we have a single domain controller and two Windows 2008R2 servers.
<update> The links are now actually working.. you can download them again </update> My previous studiographic.nl website was not too great.. so I moved everything over to the blog.. if you are looking for the Visio Stencils for Virtualization.. check Visio Stencils….. _R
I am one of the few people using Safari next to IE(7/8) as their standard browser during day to day internet surfing. Many try to get me into Firefox with all the new applets and plugins like password and URL sync between hosts.. but nothing beats the new Safari 4.0 is my humble opinon… finally […]
When you have servers in the DMZ that are members of your internal AD (not best practice ok.. ) .. you find yourself shooting holes in the firewall to allow RPC, SMB and other protocols. In that case perhaps an IPSEC tunnel can help you out.. when you use a tunnel between your internal and DMZ hosts, the firewall only has to allow UDP 500 and ESP protocol (protocol 50). No high ports required. To set it up use the following guide.
Organizing a free training can give your business new customers, thats probably the idea behind free trainings seminars from Twice IT; you can follow a short course in exchange for some feedback on a blog.. So out of curiosity I attended the 3 hour Powershell course, and here’s my feedback ..
Many of you use RSS feeds, to subscribe to a feed from this website, hoover over the category you are interested in and select RSS for the feed. If you would like to subscribe to all of the posts I’ve made, use the .All Posts Category.. or use the direct link: feed://blog.studiographic.nl/?feed=rss2 _R
The strength new media is best showed when it’s simplified and usable by anyone.. take google maps, most people know about it, use it on their computer but if you’re on the go.. they prefer a Tom Tom or other simple device during the trip..