As part of the May 2014 Update Rollup, Microsoft has fixed a problem that I hope has not been bugging any Active Directory Admin… On Windows Server 2012 and Windows Server 2012 R2-based Domain Controllers, an issue was identified that blocks access to the Directory Services Restore Mode (DSRM). The situation On Windows Server … Continue reading "KnowledgeBase: You cannot log on as a local administrator when you restart in Directory Services Repair Mode"
Today, a colleague came up to me to ask me a question on a weird situation he encountered while troubleshooting an Active Directory Federation Services (AD FS) implementation at a customer site. Note: We didn’t implement this situation, but after solving this challenge, we gave some great pointers to get the environment sorted. The … Continue reading "KnowledgeBase: Colleagues with IE get Windows prompts when authenticating to AD FS behind TMG, forms-based authentication when using Chrome or FireFox"
Active Directory is the cornerstone of many networking environments. Active Directory Domain Controllers offer the means to authenticate, authorize and account for actions by employees, colleagues and guests. The availability of these Windows Servers is crucial for them to log on and gain access to resources. Therefore, as a best practice, Microsoft recommends monitoring them … Continue reading "KnowledgeBase: Heartbeat failure alerts on Windows Server 2012 R2 Domain Controllers when monitoring with System Center 2012 R2 Operations Manager"
Last month, Microsoft released a KnowledgeBase article for Active Directory Certificate Services running on Windows Server 2008 R2 with Service Pack 1 and Windows Server 2012. Note: This KnowledgeBase article doesn’t apply to Windows Server 2012 R2, although the same issue exists as in Windows Server 2008 R2 and Windows Server 2012. The situation … Continue reading "KnowledgeBase: A hotfix is available that records more information in event ID 5125 for an OCSP response"
At the same time Microsoft released the Windows 8.1 and Windows Server 2012 R2 bits to TechNet and MSDN subscribers, they also released the Release Notes for Windows Server 2012 R2 on a page on the Microsoft Download Center. On this page you can a document (*.docx format) with the critical issues, that have currently … Continue reading "KnowledgeBase: Important Issues in Windows Server 2012 R2 (Release Notes)"
This week, Microsoft has released KnowledgeBase article 2872882 today, detailing a situation where you’d receive an “Organization Preparation FAILED” error when you try to Prepare the Active Directory for Exchange Server 2007 or Exchange Server 2010.
Remember in the Beta of Windows Server 2012 (then called Windows Server “8”) you couldn’t specify the Windows Server 8 Forest Functional Level (FFL) in the new Active Directory Domain Services Configuration Wizard when you created a new forest? My fellow Directory Services MVP Mike Kline wrote a blogpost on this issue, where he explains … Continue reading "You can only set the DFL to Windows Server 2012 when you create a new domain tree on a Windows Server 2012-based computer"
Last month, the Active Directory Documentation Team really made an effort to bring together a library of troubleshooting-oriented KnowledgeBase articles. This month, this work is continued with two more updated guidance-oriented KnowledgeBase articles to troubleshoot Active Directory issues. Also this month, a few new Active Directory-related KnowledgeBase articles were published with hotfixes for issues in … Continue reading "Active Directory-related KnowledgeBase articles for February 2012"