As you might be aware, every Microsoft technology has the requirement to be manageable through PowerShell and System Center. Manageability through System Center is done through Management Packs. (MPs). While I discussed the PowerShell manageability stories for the five Active Directory services last Saturday, below is the overview of the ...

Windows Server 2012 is a major leap forward for Server Core installations of Windows Server. Not only are Full installations of Windows Server convertible back and forth to Server Core installations without reinstallation, a whole slew of new Server Roles have become available for installation on the mean, clean Server Core installations. Active ...

In the past years, I’ve found many systems and many errors. Today, I’m sharing behavior in Microsoft Windows Server that had me frown and chuckle. A bug in Active Directory code I’ve been grateful for, since it illustrates the nature of software. Note: This behavior has not been publicized in the Microsoft KnowledgeBase (yet). In the ...

It’s not often, that Active Directory Domain Controllers get security updates. The Active Directory Domain Services Server Role is one of the most robustly written code, as I pointed out in an earlier blogpost on Statistics on Active Directory-related Security Bulletins. Since 2001, Microsoft has issued 18 Security Bulletins with patches to ...

When you build test environments regularly, at some point you’ll want to fill your Active Directory quickly. If, for instance, you have a data set with Organizational Units (OUs), user accounts and groups, you’ll want to quickly import this data. If, on the other hand, in your business you’re allowed to use the user information from a production ...

For a while, Microsoft’s KnowledgeBase article 976424, titled Error code when the kpasswd protocol fails after you perform an authoritative restore: "KDC_ERROR_S_PRINCIPAL_UNKNOWN", has been available to solve issues with unexpected behavior after authoritatively restoring  the krbtg account on Windows Server 2008 and Windows Server ...

In the past 11 years, Microsoft has released four versions of Windows Server on which you could install Active Directory. On all these platforms, Microsoft offered two ways to promote a server to a Domain Controller. In this blogpost I’ll reveal the differences between the advanced mode and normal mode for dcpromo.exe for the Windows Server 2003 ...

Whenever a worm utilizes the normal access and daily tools systems admins use, there is a significant problem. After all, shutting down the attack vector suddenly isn’t that easy. So, without making dramatic changes to your environment, how can you rest assured?     About Win32/Morto.A One of the latest threats to use ...

Those of you running Domain Controllers with full installations of Windows Server 2008 R2 or are managing Windows Server 2008 R2-based Domain Controllers using the Remote Server Administration Tools (RSAT) on Windows 7, might have seen the following configuration warning in the Active Directory Best Practice Analyzer (AD BPA): About the Protect ...

Since Windows Server 2008, Microsoft no longer offers the ability to restart a Domain Controller in Directory Services Restore Mode (DSRM) from the default F8 boot menu. About Directory Services Restore Mode For Windows Server-based Domain Controllers, a special startup mode exists, where the Active Directory database isn’t loaded. This startup ...