Hi there! Welcome to my blog. My name is Ivan Versluis. I am a Dutch IT Professional working as IT Manager. Featured
-
1 million (1000000) visits since 17 Jan 2008 on Networknet.nl
When I started my personal blog I could never imagine it would reach 1.000.000 visitors. Last week it did. Over the years my Networknet.nl blog become popular, and on many searches my blog is displayed as first hit on the list. This helped me to generate the traffic and visits. I am happy to see many of you leave comments, more people keep coming to my blog and links are...
Latest blog posts
-
Office 365: Exchange Hybrid issue with Windows Security of Outlook 2016
Outlook prompts for password when accessing migrated Exchange Online resource. The on-premise mailbox has been migrated to Exchange Online and the user opening the calendar to see free/busy and planned meetings is sitting on-premise Exchange server. Windows Security – Microsoft Outlook connecting to … When analyzing the https network flow with Fiddler or other tools you will see when opening the calendar from address book or using the cached entry... -
Office 365: OneDrive for Business – Automatic sign in
Working on Windows 10 migration project and there is a need to enable automatic sign in of OneDrive for Business client when new user profile has been created. Windows 1709 image is golden installation image that will be used for global deployment. In the past months I have been working on different parts and with Windows 10 1709 the OneDrive client is now fully integrated into the profile. The challenge... -
Azure: How to recreate VM/create VM based on managed OS disk?
Time has come to make fundamental changes in Azure and at that time you will find out that some things are not available (yet?) in the platform. For me I hit couple of things where I needed to do more research and find my way to get the job done. I have two scenarios where I run into: Perform vNet migration from one virtual network to another Add a VM... -
Azure DevTest Lab: run mysql and wordpress docker container
It has been a long while ago I logged on a linux console and played around to install some packages. Currently working on a course for “Developing Microsoft Azure Solutions (70-532)” where I learned what DevTest Labs is and spin off an Ubuntu server image with the Docker package (as artifact option). I like this concept around DevTest principle to create images, configure and make them available to developers, IT... -
PowerShell: Set static RPC ports for Active Directory Domain Controller
Putting a domain joined windows system behind a firewall can be challenging. I have successfully managed to put my Web Application Proxy (WAP) servers in a DMZ network where inbound and outbound ACL's have been specified. More details in another post. The challenge I had is to configure the domain controllers to be specific on RPC traffic ports so I only need to allow a subset of tcp/udp ports. The... -
PowerShell: How to export and import ssl certificate from commandline?
It has been many years ago I needed to automate and use certutil.exe program to import a certificate. In the past I used SCCM program to run a certain script to import a certificate for me. Recently while working on a project to setup ADFS and WAP servers I needed to export and import so many times a certificate (with private key) that automating this process was key to make... -
SCCM: How to uninstall/remove Skype for Business 2016 client?
With Office 365 ProPlus application package that I am preparing to deploy with SCCM server I run into the issue that Skype for Business 2016 was installed. Office 365 ProPlus setup stopped as it wanted me to uninstall the Skype for Business client before it could continue. The new Skype for Business 2016 client was part of the ProPlus package and I needed to do remove the installation. The following...
