Category Archives: System Center

Solving Error 20509 Virtual Machine Manager agent communication is blocked

During a troubleshoot session on a VMM customer, we noticed that several agents were showing the following error message. Virtual Machine Manager agent communication is blocked. The version of the…

Solving Virtual Machine Manager 2016 expired license

How to upgrade an expired VMM 2016 to a licensed version. That happened to my customer, VMM 2016 was fresh on the Microsoft Download site, the product was installed and…

Managing SQL Servers using SQL Server Management Studio (SSMS)

Installing Microsoft SQL Server Management Studio allows the administrator to manage SQL Servers, the tool allows management of SQL 2008 up to 2107 (if you are using the release candidate…

Storage Spaces Direct Calculator

When planning your Storage Spaces Direct implementation, the administrator must consider several key points during the design phase. In this Tutorial, we will be using a Storage Spaces Direct calculator…

System Center Virtual Machine Manager – Solving the 2912 NO_PARAM error

In some scenarios, a refresh host or configurations to be applied on a Hyper-V host can fail with error 2912 (NO_PARAM). In this Tutorial, we are going to check one…

Azure Site Recovery

Azure Site Recovery (ASR) is by far one of the Azure features that I always like to play with. The improvement along the time is above extraordinaire! When I’m talking…

Azure Backup – Part 4 – System Center and Azure Backup

On the first post (see here), I explained how the Azure backup works. On this post, I’m explaining how to integrate Azure Backup with System Center Data Protection Manager. If…

Azure Backup – Part 1

One of the first workloads that usually the majority the organizations wants to start to use in Azure is to replace the tape to Cloud Backup. Following the best practices…

Discover which Cisco switch port a server is connected

This article describes how to discover which Cisco switch port a server is connected using IP address or MAC-Address information. Solution First step is getting the desired server’s IP address…

Using Migrate Storage feature in VMM 2016

We will be migrating storage from a running VM (Virtual Machine) using VMM (Virtual Machine Manager) 2016. In this Tutorial the customer had two volumes, one specific for Operating Systems…