VMWare fixes an important privilege escalation vulnerability in vCenter Server (VMSA-2021-0025)

This week, VMware released an update that addresses a vulnerability in vCenter Server. This vulnerability can be used to compromise vCenter Server installations and the ESXi host they manage. Note:The vulnerability exists in VMware Cloud Foundation, too. About vCenter Server VMware vCenter Server, formerly known as VirtualCenter, is the centralized management tool for the vSphere … Continue reading "VMWare fixes an important privilege escalation vulnerability in vCenter Server (VMSA-2021-0025)"

KnowledgeBase: You receive EventID 16990 or 16991 when users create or modify computer objects

One of the more recent issues you might encounter, when you create or modify computer objects and/or (group) managed service accounts in Active Directory is errors on your domain controllers with event ID 16990 or 16991 with source Directory-Services-SAM in the System event log. The situation You run an Active Directory forest with Domain Controllers … Continue reading "KnowledgeBase: You receive EventID 16990 or 16991 when users create or modify computer objects"

Four Active Directory Elevation of Privilege vulnerabilities were addressed in the November 2021 Updates

When looking at the November 9th, 2021 updates today, I noticed four updates that specifically address vulnerabilities in Active Directory Domain Services. These vulnerabilities affect domain controllers at the heart of many networking infrastructure environments.   About the vulnerabilities Four vulnerabilities were addressed: CVE-2021-42278 Active Directory Domain Services Elevation of Privilege Vulnerability CVE-2021-42278 is a … Continue reading "Four Active Directory Elevation of Privilege vulnerabilities were addressed in the November 2021 Updates"

Support for the v2 endpoint is no longer available for Azure AD Connect v1.x

As an amendent to the Azure AD Connect version release history documentation this week, Microsoft communicated that the v2 endpoint for Azure AD Connect is no longer supported for Azure AD Connect versions running version 1.5x and 1.6x.   About Azure AD Connect’s v2 endpoint Microsoft has deployed a new endpoint (API) for Azure AD … Continue reading "Support for the v2 endpoint is no longer available for Azure AD Connect v1.x"

I'm presenting at Cloud Camp, Modern Cloud Edition

Recently, I was contacted with an invitation to present at the Irish Cloud Camp event on November 16th. Of course, I said "Yes". About Cloud Camp Cloud Camp is Ireland's conference for Microsoft Cloud, sponsored by Microsoft, MicroWarehouse and Nexus. The next edition of Cloud Camp, dubbed the Modern Cloud Edition, is organized on November … Continue reading "I'm presenting at Cloud Camp, Modern Cloud Edition"

On-premises Identity-related updates and fixes for October 2021

Even though Microsoft’s Identity focus moves towards the cloud, they are not forgetting their on-premises roots. Windows Server 2016, Windows Server 2019 and Windows Server 2022 still receive updates. These are the Identity-related updates and fixes we saw for October 2021: Windows Server 2016 We observed the following updates for Windows Server 2016: KB5006669 October … Continue reading "On-premises Identity-related updates and fixes for October 2021"

I'm co-presenting KNVI's 'Never-ending Stories for IT Pros' event

Last month, Raymond Comvalius and I were approached by the Royal Dutch Association of Information and IT Professionals (KNVI). Many of their members listen to the IT Bros podcast. The board thinks we have a pretty clear view of the challenges IT Pros face and asked us to present the 'Never-ending Stories for IT Pros' … Continue reading "I'm co-presenting KNVI's 'Never-ending Stories for IT Pros' event"

From the field: The Case of Raising the DFL to make all fail-over clusters inaccessible

Troubleshooting stories from the field are the best. That’s why I like writing them down. Although, sometimes they might appear as straight cases of schadenfreude, I feel there are lessons to be learned for anyone, if you’re willing to look closely and listen carefully. This week I experienced an issue at a customer, when they … Continue reading "From the field: The Case of Raising the DFL to make all fail-over clusters inaccessible"

Azure AD Connect v1.6.16.0 addresses two issues

For Hybrid Identity admins still stuck with Azure AD Connect v1.x installations on Windows Server 2008, Windows Server 2008 R2, Windows Server 2012 and/or Windows Server 2012 R2, Microsoft released a new version of Azure AD Connect that addresses two issues. What's Fixed AutoUpgrade reliability Microsoft addressed an issue where the Autoupgrade process attempted to … Continue reading "Azure AD Connect v1.6.16.0 addresses two issues"

Identity-related sessions at Microsoft Ignite 2021 Fall Edition

Microsoft’s Ignite 2021 Fall event kicks off in two weeks. Exactly eight months after Microsoft Ignite 2021 Spring Edition (organized from Tuesday March 2nd to Thursday March 4th, 2021), Microsoft's Ignite 2021 Fall event takes place from Tuesday November 2nd to Thursday November 4th, 2021) This is another virtual Ignite event. The big advantage for … Continue reading "Identity-related sessions at Microsoft Ignite 2021 Fall Edition"