How to manage a Microsoft 365 tenant as CSP

This article is also available in my podcast. Case You are an IT administrator of a Microsoft Cloud Service Provider (CSP) and you need to be able to manage all CSP tenants’ Microsoft 365 subscriptions, either from a single pane of glass or individually. This article will provide high-level guidance […]

MCT Microsoft Certified Trainer

Microsoft Certified Trainer MCT

Original post URL: Introduction Microsoft Certified Trainers (MCTs) are the premier technical and instructional experts in Microsoft technologies. An overview of the MCT program is provided at: Requirements for MCT initial registration and renewal The MCT program is for educators around the world who actively deliver training on […]

How to run Internet speed tests via command line

Case You need to run the Ookla Speed Test ( inside your software applications via command line interface. Solution You can download and install the CLI version of Ookla speedtest at With Speedtest CLI, you can easily: Measure internet connection performance metrics like download, upload, latency and packet loss […]


CompTIA Certified Trainer CTT+ exam tips

I am happy to have recently been awarded the CompTIA Certified Trainer (CTT+) certification. The CTT+ badge is being made available by Credly: The CTT+ certification exam tests in and out of class teaching expertise, including preparation, facilitation and physical or virtual classroom evaluation. To earn the certification, two […]

Citrix Virtual Apps and Desktops Deployment and Adoption Resource Center

Citrix to Be Acquired by Affiliates of Vista Equity Partners and Evergreen Coast Capital for 16.5 Billion USD

Citrix has announced to its investors that they are going to be acquired by private equity firm “Vista Equity Partners and Evergreen Coast Capital” for the amount of 16.5 billion USD. Citrix Systems, Inc. (NASDAQ: CTXS) (“Citrix”), today announced that it has entered into a definitive agreement under which affiliates […]

Troubleshoot Azure AD Connect upgrade issues

Case You need to troubleshoot Azure AD Connect upgrade issues. Solution Follow step-by-step instructions about how to properly upgrade your Azure AD Connect client: If, despite having upgraded your Azure AD Connect client using the recommended method, you get errors, read on. One common case which can come up […]

How to troubleshoot your Internet connection

This KB article is also published in my podcast. Case You cannot connect to any Internet resources via TCP/IP from your local endpoint. Solution Carry out the following checks: First-off confirm that you have no Internet connectivity at all. To confirm this, open your operating system terminal and type the […]