Category Archives: Microsoft Windows Server 2008

Knowledgebase: When you enable DNS debug logging to removable media, the DNS Service no longer starts

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, […]


Hybrid Identity features per Active Directory Domain Services Domain Controller Operating System, Domain Functional Level, Forest Functional Level and Schema version

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 […]


Important Update for Active Directory Federation Services (MS17-019, KB4010320, CVE-2017-0043)

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..   […]


Critical Flaw in SMB1 could allow remote code execution on Active Directory Domain Controllers (MS17-010, KB4013389)

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 […]


Security Thoughts: Update for Windows Authentication Methods (KB3178465, MS16-101, CVE-2016-3237, CVE-2016-3300, Important)

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 […]


Security Thoughts: Vulnerability in Netlogon could allow remote code execution (MS16-076, KB3167691, CVE-2016-3228)

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 […]


Security Thoughts: Vulnerability in Group Policy could allow elevation of privilege(MS61-072, KB3163622, CVE-2016-3223)

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 […]


Five reasons why you don’t want Azure AD Connect on Windows Server 2008

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.   […]


Advances in Active Directory since Windows Server 2003

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 […]


MS13-079 Vulnerability in Active Directory could allow denial of service (Important)

Earlier this week, during the September 2013 Patch Tuesday, Microsoft has released a new Active Directory-related security bulletin: MS13-079. With the third Active Directory-related Security bulletin this year, (after MS13-066 and MS13-032) Microsoft is sure having its hands full on patching the vulnerabilities found in these technologies.