Microsoft Exchange and Blackberry Server Specialists

SEMblog

Microsoft Exchange Server and
Blackberry Enterprise Server news, views and fixes.

Experiences with IPv6

  IPv6 has and continues to cause a lot of confusion for network administrators. I suspect that a lot of it is down to misunderstanding about the new system and therefore people blame it for problems because it is new. In forums, I see a lot of people who simply post that the problem is "IPv6" and it should be disabled because it is "known to cause problems". I have been asked to clean ... [More]

Creating a Combined 32 bit and 64 bit Windows 7 Installation DVD

  I wanted to update my Windows 7 installation DVD so that it not only installed any version of Windows 7, but also both the 64 bit and the 32 bit. It would be used on both a memory stick and DVD.  While searching around the internet, I found various techniques using various third party tools. However as I didn't have any of the third party tools and wasn't about to buy them for this s... [More]

Case Study 2 Part 2 - Network Rebuild - Servers

This is part two of a three part case study of a recent network rebuild I carried out. For part one - click here: http://blog.sembee.co.uk/post/Case-Study-2-Part-1-Network-Rebuild-Intro-and-Workstations.aspx  Servers Now to the interesting bit.  The server design was in my head for months, and then got completely redesigned following the client wanting to go with my suggestion of... [More]

Case Study 2 Part 1 - Network Rebuild - Intro and Workstations

Very occasionally, you get to do a job which you really enjoy. Being able to put lots of things that you have learnt over time in a single client deployment and make a very satisfying job.  At the end of 2010 I completed just such a deployment.   I could go on for hours about this deployment, as there are so many little things that were done, which I haven't had the chance to do before... [More]

Usernames Tried During Authenticated User Attack - Updated

Back in June 2009, I blogged on an authenticated user attack on a client's server. http://blog.sembee.co.uk/post/Usernames-Tried-During-Authenticated-User-Attack.aspx As part of that blog post, I included the list of names that were attempted. The same server was attacked again in the last few days, and the list of usernames attempted changed very slightly. I have included the list below. So qua... [More]