Using PowerShell for System Administration and Automation Tasks

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…

The Invoke-Command cmdlet allows you to execute commands or PowerShell scripts remotely on one or more remote computers

If a trust relationship between a Windows workstation and an Active Directory domain is broken, the computer won’t be able to establish a secure channel with the domain controller, and…

The latest versions of Windows support the DNS over HTTPS (DoH) protocol, which allows domain name resolution (DNS queries) to be performed over an encrypted HTTPS connection. In this article,…

Windows 10 and 11 ships with a set of pre-installed Microsoft Store applications (UWP/APPX apps). These are Calculator, Calendar, Mail, Cortana, Maps, News, OneNote, Groove Music, Camera, etc. These apps…

The digital signature of a PowerShell script (*.PS1 file) allows you to verify that a known trusted publisher signs the script and that its code has not been modified. The…

To apply new local or domain Group Policy (GPO) settings to a Windows computer, the Group Policy Client (gpsvc) service must read the policy files and apply the setting 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…

Active Directory provides several methods for determining when a user has logged on to the domain. The time of a user’s last successful authentication in Active Directory can be retrieved from…

When users connect to a corporate VPN server (AlwaysOnVPN, Windows Server RRAS, or OpenVPN server) from a home network, they may report that Internet access is unavailable while the VPN…