Sometimes, Microsoft products have a way of their own. The Domain Naming System (DNS) service since Windows Server 2003, too, has a nice little quirk that I ran into the other day, that I’d like to share with you. About DNS debug logging When you suspect problems with the Domain Naming System (DNS) Service, … Continue reading "Knowledgebase: When you enable DNS debug logging to removable media, the DNS Service no longer starts"
Most Microsoft-based Hybrid Identity implementations use Active Directory Federation Services (AD FS) Servers, Web Application Proxies and Azure AD Connect installations. These components have requirements of Active Directory Domain Services (AD DS) in terms of the schema, the Windows Server versions on the Domain Controllers an organization runs, the Domain Functional Level (DFL) and the … Continue reading "Hybrid Identity features per Active Directory Domain Services Domain Controller Operating System, Domain Functional Level, Forest Functional Level and Schema version"
Today, for its March 2017 Patch Tuesday, Microsoft released an important security update for Active Directory Federation Services (AD FS). The security update addresses a vulnerability that could allow information disclosure if an attacker sends a specially crafted request to an ADFS server, allowing the attacker to read sensitive information about the target system.. … Continue reading "Important Update for Active Directory Federation Services (MS17-019, KB4010320, CVE-2017-0043)"
Today, for its March 2017 Patch Tuesday, Microsoft released a security update for supported versions of Windows Server offering File Sharing services using the Server Message Block (SMB) version 1.0 protocol. The security update addresses the vulnerabilities by correcting how SMBv1 handles specially crafted requests. About the vulnerabilities The vulnerabilities that are fixed with … Continue reading "Critical Flaw in SMB1 could allow remote code execution on Active Directory Domain Controllers (MS17-010, KB4013389)"
Yesterday, during its August Patch Tuesday, Microsoft released security update KB3178465 for Windows Authentication Methods, among other security-related updates. This update addresses two vulnerabilities in Microsofts implementation of its authentication methods in Active Directory scenarios: CVE-2016-3237 and CVE-2016-3300. About the vulnerabilities Microsoft Kerberos Elevation of Privilege Vulnerability (CVE-2016-3237) A security feature bypass vulnerability exists … Continue reading "Security Thoughts: Update for Windows Authentication Methods (KB3178465, MS16-101, CVE-2016-3237, CVE-2016-3300, Important)"
Yesterday, Microsoft released update 3167691 as part of its June 2016 Patch Tuesday to address an important vulnerability in Windows Server’s Netlogon functionality, allowing remote code execution on all supported Windows Server versions. About the vulnerability A vulnerability has been detected, that could allow remote code execution if an attacker with access to a Windows … Continue reading "Security Thoughts: Vulnerability in Netlogon could allow remote code execution (MS16-076, KB3167691, CVE-2016-3228)"
Yesterday, Microsoft released update 3163622 as part of its June 2016 Patch Tuesday to address an important vulnerability that affects Group Policy on Windows 10. About the vulnerability The vulnerability could allow elevation of privilege if an attacker launches a man-in-the-middle (MiTM) attack against the traffic passing between a domain controller and the target … Continue reading "Security Thoughts: Vulnerability in Group Policy could allow elevation of privilege(MS61-072, KB3163622, CVE-2016-3223)"
Earlier this week, I wrote on installing Azure AD Connect on Windows Server 2008, Windows Server 2008 R2 and Windows Server 2012. Today, I want to elaborate a bit on why I don’t recommend installing Azure AD Connect on Windows Server 2008, despite the many reasons you might have to think you want to. … Continue reading "Five reasons why you don’t want Azure AD Connect on Windows Server 2008"
In six months time, on July 14 2015, Microsoft ends the extended support for Windows Server 2003. After 11 years and 6 months (Windows Server 2003 became generally available on May 28th, 2003) the plug is pulled on updates to the product and the support information on TechNet, MSDN and its KnowledgeBase. Running Active Directory on Operating … Continue reading "Advances in Active Directory since Windows Server 2003"
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 availability and functionality of the … Continue reading "Active Directory Services and their System Center Management Packs"