Using PowerShell for System Administration and Automation Tasks

Windows 10 and 11 have a built-in Microsoft Defender Antivirus (quite good, I should say) managed through the Windows Security Center. In some cases, Microsoft Defender or Security control panel…

Windows updates are released as packages with the MSU or CAB file extensions. If the Windows Update service is not working (or disabled), you can manually download and install the…

You can enable, disable, or get the Multi-Factor Authentication (MFA) status for users in your Azure/Microsoft 365 tenant using Azure Portal, Microsoft 365 Admin Center, or PowerShell. In this article,…

Sometimes you may see that the Windows Security settings window not opening in Windows 10 or 11. When trying to open Windows Security (Windows Defender) from the Settings menu (Settings…

In this article, we will look at how to change (reset) the password of one or multiple Active Directory users using the Active Directory Users and Computers graphical snap-in (ADUC),…

In earlier Windows versions (Windows 8.1, Windows Server 2012 R2), you may see the Unable to download from URI error when trying to install modules from the PowerShell Gallery using…

If an Azure Active Directory user forgets his password, an Azure (Microsoft 365) tenant administrator can reset it in several ways: using the Azure Portal, through PowerShell, or by enabling…

When you install a new Exchange Server 2019/2016/2013/2010 with the mailbox role, the default mailbox database is automatically created. The database is created in the Exchange installation folder (C:\Program Files\Microsoft\Exchange…

By default, when you create new Active Directory users, they are automatically added to the Domain Users group. In its turn, the Domain Users group is added to the local…

When auditing mailbox permissions in an Exchange Server organization or Microsoft 365 tenant (Exchange Online), the administrator needs to find all the mailboxes that a particular user has access to.…