Fix Master Browser (MRXSMB) Event ID 8003

The Event ID 8003 (Master Browser) error messages, on some Windows Server systems (specially older ones) is probably one of the most searched on this environments due to the fact that this event is linked to WINS (the predecessor of DNS on Windows systems) and the Computer Browser system service (still available even on newer Windows 10 clients and Windows Server). Read More …

Active Directory Delegated Permissions (View/Remove)

Active Directory (AD) delegation is critical part of many organizations’ IT infrastructure. By delegating administration, you can grant users or groups only the permissions they need without adding users to privileged groups (e.g., Domain Admins, Account Operators). Read More …

Active Directory – Check if a DC is a Global Catalog

There are several ways to find out if a Domain Controller has the Global Catalog role enabled. In this article, Read More …

Microsoft – Changing SID of cloned VMs

On the machine level, every computer is identified by a unique value; named Security ID or SID. SID is calculated in the process of the installation of every Windows machine. Whether the computer is part of the workgroup (or it’s just a stand-alone computer), the value of SID is not crucial. Read More …

WSUS – Upgrading to Windows 10 1903

Microsoft finally released its latest Windows 10 build 1903, now called May Update, last week, much delayed from its initial scheduled release in March after suffering a number of upgrade issues. Let’s see how to enable an internal WSUS server to download and deliver this new update to all corporate Windows clients. Read More …

Microsoft Edge – Open from Run or Command Prompt

As many (almost all) applications available on Microsoft Windows platforms can be called from Run command (as even from Command Prompt and Powershell). Users who have been experiencing issues with the Start menu or Start menu search can use the Run command to launch their favorite programs, admin tools and settings. Read More …

CentOS / RHEL 7 – Regenerate UUID for Network Cards (Physical and Virtualized Environments)

Usually, when cloning VMs on virtualized systems (Hyper-V or VMware, for example) an issue could occur related to vNICs: a vNIC could be renamed and so no more the same of the old VMs (obviously). Read More …

CentOS / RHEL – Managing Networking Service

One of the most common activities on a Linux system is, usually, modify some networking parameters to adapt the system to the actual network; so how can we restart networking service using command line options without restarting the whole system? How can I start / stop and restart networking service on a CentOS/RHEL 7 based system? Read More …

Check mySQL and MariaDB Server Version

There are circumstances where you need to know the version of your database server, e.g., when upgrading the database or patching any known server vulnerabilities. There are a few ways to find out what the version of your MariaDB server is. Read More …