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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 / Weblogs ( 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:

KnowledgeBase: Logging in to the Intune Company Portal App results in an error “Could not sign in” on Android phones with Chrome 56, and up

Written on February 23, 2017 at 8:14 AM, by

This morning I read a blogpost by John Arnold on the Intune Support TechNet Blog on a strange Intune-related error on Android Phones when accessing the Company Portal app. As it turned out, this is an Active Directory Federation Services (AD FS)-related certificate issue, so I thought I’d share it here as well.   The […]

How not to offer Guest Wi-Fi

Written on February 20, 2017 at 10:39 AM, by

Nearly all men can stand adversity, but if you want to test a man’s character, give him a horrible internet connection. – Loosely based on a quote by Abraham Lincoln   Some jobs are worse than others. Some environments are more toxic than others. Some things can just annoy the heck out of you. On […]

Join me for an Active Directory 101 webinar, in cooperation with Veeam

Written on February 15, 2017 at 9:31 PM, by

This year, as a Veeam Vanguard, I’m hosting a series of three Active Directory Domain Services webinars, together with Timothy Dewin and hosted by Veeam. The first webinar in the series is the Active Directory 101 webcast on February 21, 2017. I’m very excited for this session, because for me it is a way to […]

Things to know about Billing for Azure MFA and Azure MFA Server

Written on February 14, 2017 at 12:48 PM, by

Our friends at Microsoft have embraced the cloud as a way to give us the benefits of Pay-per-Use for our licensing needs. This is good news for any person, responsible for billing in an organization that relies heavily on Microsoft products. When thinking about Azure Multi-Factor Authentication (MFA), as a service for, for instance, Azure […]

I’m a 2017 Veeam Vanguard

Written on February 8, 2017 at 7:13 PM, by

Today, Veeam updated their Vanguard page. This marks the end of the 2017 Veeam Vanguard Renewal processes. For me, it means I successfully renewed my 2016 Veeam Vanguard Award, just like the other three 2016  Dutch Veeam Vanguards Joep Piscaer and Arne Fokkema. I feel honored.   About Veeam Vanguards The Vanguard program is led […]