Slow Boot Slow Logon (SBSL), A Tool Called XPerf and Links You Need To Read

For the last 6 months I’ve been saying I was going to write a series of posts around the topics of slow boot slow logon (SBSL) and how to use Xperf, but stuff kept coming up. While I kept missing the boat some other awesome engineers totally ate my lunch on this topic and posted… Read more

A Global Enterprise … in your basement?

In case you haven’t heard, we’re hard at work on the next release of Windows Windows Server 2012 –http://technet.microsoft.com/en-US/windowsserver/hh534429.aspx Windows 8 – http://technet.microsoft.com/en-US/windows/hh771457.aspx?ITPID=mscomsc As an IT Pro, you have to continually learn new things. A challenge many of us in IT face when a product is released/updated is “how to learn the new product.” Additionally, in… Read more

Best Practices for Implementing Schema Updates or : How I Learned to Stop Worrying and Love the Forest Recovery

Note:  This is general best practice guidance for implementing schema extensions, not the testing of their functionality.  There may be some additional best practices around design and functionality of schema extensions that should be considered.  Understand that the implementation of a schema extension may well succeed, but the functionality around the extension may not behave… Read more

MCM: So You Want to Be a Active Directory Master, eh?

Back in February 2012, I was lucky enough to take part in the Windows 2008 R2 Directory Services Masters class and I promised that I would blog about my experience. Consequently, this will probably turn into another series as I wouldn’t do it any justice by only writing one entry about it.   Introduction For… Read more

Roaming AD Clients, with an Updated Script

  Three months ago I posted some information on AD Sites, Subnets and Roaming Clients. The heart of the blog was a PowerShell script that collected and collated netlogon.log files across all Domain Controllers in the forest to report a list of hostnames and IP addresses that have authenticated from IP addresses with no corresponding… Read more

How to Track the Who, What, When and Where of Active Directory Attribute Changes – Part II (The Case of the Mysteriously Modified UPN)

Hello, Ray Zabilla and Rick Bergman again. As promised in our previous post on this topic we will go into the details of how we created the script, the challenges we had during testing and what final code looks like. We are even so generous that we are going to share the scripts with you… Read more

DHCP, Dynamic DNS, and DCs: How about Some PowerShell to Spice Up a Mind-Numbing Topic?

  If the title of this blog hasn’t already put you off, you’re probably interested in the interaction between Microsoft DNS and DHCP services. Specifically, you should understand how Microsoft DHCP servers can be configured to dynamically register A and PTR records in DNS on behalf of their clients. The default behavior of a Microsoft… Read more

Who Moved the AD Cheese?

Sometimes, we Microsoft engineers get called into a ‘forensics’ type situation to help a customer try to answer the “W” questions – where someone (WHO?) did something (WHAT?) at some point (WHEN?) in Active Directory (AD) or some other aspect of a Windows infrastructure. Usually, if we get the call, the change had a big (sometimes… Read more

How a DFS Namespace change ruined my morning…

Hello! Jake Mowrer here to share an “experience” with you all that will hopefully help you avoid running into a nightmare the next time you add a DFS Namespace (DFS-N) server. I find that DFS-N in customer environments works well, so well that they require very little maintenance. This tends to lead to admins not… Read more

A few things you should know about raising the DFL (and/or) FFL to Windows Server 2008 R2

Hello Greg Jaworski here again to briefly talk about two issues when raising the domain functional level (and/or) the forest functional level to Windows Server 2008 R2. While we have loads of documentation on this and numerous blogs there are a few issues that customers have hit that are a little harder to find. The… Read more