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About: Sander Berkouwer

Sander Berkouwer is a Dutch IT Professional with over ten years of experience with projects in large IT environments. He is a contributing blogger at the DirTeam.com / ActiveDir.org Weblogs (blogs.dirteam.com) and the founder and owner of ServerCore.Net. Since 2009, Microsoft has awarded Sander with the Most Valuable Professional (MVP) award and since 2011 he works part-time as an IT Professionals Evangelist for Microsoft Netherlands.

Recent Posts by Sander Berkouwer:

Azure AD Connect v1.1.553.0 addresses a critical security vulnerability … and offers new functionality, too

Written on June 28, 2017 at 9:47 AM, by

Yesterday, Microsoft released a new version of Azure AD Connect, its free tool to synchronize objects from your on-premises Active Directory Domain Services environment to Azure Active Directory. It addresses a critical security vulnerability, but also offers new functionality, like delegate write-back from Exchange Online to Exchange Server on-premises.,   Vulnerability could allow Elevation of […]

KnowledgeBase: When you activate the Microsoft Authenticator App on Android 5.x you receive “Your device does not trust the activation URL”

Written on June 26, 2017 at 10:11 AM, by

The mobile world is still a fragmented world, where various versions of Apple’s iOS and Google’s Android compete for usage share. With people still getting accustomed to today’s throw-away society and handset manufacturers and vendors tailoring to their needs, there’s people using three years old Operating Systems on mobile phones they just purchased.   The […]

KnowledgeBase: When you activate the Microsoft Authenticator App you receive “The remote server returned an error: NotFound”

Written on June 19, 2017 at 9:24 AM, by

I’ve written about the Multi-Factor Authentication server quite extensively. I’ve been pretty content with text messages for authentication, but since DRAFT NIST Special Publication 800-63B, Out-of-Band (OOB) using the PSTN (SMS or voice) is deprecated (ref 5.1.3.2) I’ve been taking a closer look at the Microsoft Authenticator app.   The situation Microsoft’s on-premises Multi-Factor Authentication […]

Pictures of CSN Academy 2017

Written on June 16, 2017 at 10:39 AM, by

I was invited to co-present with my colleague Carlo Schaeffer at CSN Group’s CSN Academy 2017 event at the campus of the Royal Dutch Football Association (KNVB) in Zeist, the Netherlands. I arrived on time at the venue, to enjoy the lunch and Frank Smilda’s keynote on cyber security. Then, after the inspiring keynote, it […]

Pictures of the 2017 Experts Live Summer Night

Written on June 15, 2017 at 10:21 AM, by

Yesterday, Raymond Comvalius and I presented a 45-minute session on Shielded VMs at the Experts Live Summer Night, the IT Pro BBQ of the year, We arrived together at de Landgoederij in Bunnik, because we both parked our electric cars at the same location, a little outside the venue. Therefore, we received our speaker badges […]