Windows Server 2016 – Configure DNS Zone Transfer

DNS (Domain Name System) is one of the many systems that keeps the Internet humming and is responsible for resolving human-readable hostnames into machine-readable IP addresses. DNS servers host what are known as zones. 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 …

Microsoft SQL Server SSIS – The RPC server is unavailable

Once installed Microsoft SQL Server SSIS (Integration Services) on a Windows Server node, when you try connect to it remotely (SQL Server Integration Service) directly from SSMS you could see an error related to “The RPC server is unavailable”. Read More …

Windows – Clear Group Policy Cache

That’s quite uncommon, but if we need to clear the local cache of Group Policies Objects (GPO) on a workstation/laptop joined to a domain, there are three main methods we can use to accomplish this activity. Read More …

Enable WinRM with Group Policy for PowerShell Remoting

PowerShell Remoting really can makes a routine work a lot easier, but it requires quite a bit of work to get all the remote computers ready to take the remoting calls, such as automatically start Windows Remote Management service. Read More …

Enable WMI (Windows Management Instrumentation)

Send Us a Sign! (Contact Us!) Show More Info This article has total words. (Including header) WMI comes installed on Read More …

SSL and TLS Explained

Send Us a Sign! (Contact Us!) Show More Info This article has total words. (Including header) A popular implementation of Read More …

Office 365 and SMTP Relay (IIS)

Are you trying to set up Office 365 to relay email messages from Line-of-Business applications or network devices? Check the Read More …

DNS Poisoning

Send Us a Sign! (Contact Us!) Show More Info This article has total words. (Including header) DNS cache poisoning, also Read More …