After you deploy Exchange, you may notice that free disk space starts to decrease very quickly. In addition to the growth of the mailbox databases themselves, the various logs take…

In this article we will learn how to use the Invoke-Command cmdlet to run PowerShell commands or scripts remotely. You can use PowerShell to run commands remotely on one or…

Distribution groups (lists) are a special type of recipients in Exchange. A distribution group has an email address but doesn’t have a mailbox. Emails sent to the distribution list are…

In this article we’ll show how to fix a broken trust relationship between a workstation and an Active Directory domain when a user cannot logon to their domain computer. Let’s…

Windows 10 ships with some preinstalled modern UWP apps (they are also called Metro apps, Microsoft Store or APPX packages). These are Calculator, Calendar, Mail, Cortana, Maps, News, OneNote, Groove…

A script or an executable with a digital signature allows a user to make sure that a file is original and its code has not been changed by third parties.…

By default, Windows settings prevent PowerShell scripts from running. From a security perspective, it is important to restrict untrusted and malicious code from running from PowerShell scripts. The Execution Policy…

In this article we will show how to update Group Policy (GPO) settings on Windows computers in an Active Directory domain: how to update (refresh) Group Policies automatically, how to…

Quite an often task of an Active Directory administrator is to make a list of disabled or inactive user and/or computer accounts. You can use both saved LDAP queries in…

There are several different tools to get information about the time of a user logon to an Active Directory domain. The time of the last successful user authentication in an…