How do you know if there is a weak password configured in Active Directory? For auditing and security-wise, it's essential to have strong passwords. We recommend using an Active Directory weak password checker. In this article, you will learn how…
How to enable the Windows Firewall with PowerShell in Windows Server 2012/2016/2019? I recommend turning on the Windows Firewall with PowerShell. But if you have a test lab and you want to keep it disabled for testing, go ahead. Don't…
When doing an authoritative restore in Active Directory, we need to run the command DFSRDIAG POLLAD. This will force a DFSR server to check with Active Directory (AD) for configuration/replication changes. We can run the command in Command Prompt or…
Today's article will show how to remove Exchange from Active Directory. We are going to force remove Exchange Server with ADSI Edit. Why with ADSI Edit and not from the default Exchange uninstallation wizard? Sometimes the Exchange uninstallation is not…
We like to convert Global to Universal Security Group with PowerShell. Why with PowerShell? It's because we have to convert more than a hundred groups. It will take hours of work if we are going to do it with Active…
After installing Exchange Server, the next step is to configure internal DNS for Exchange. It's essential to keep the same namespace internal and external. We will create a couple of forward lookup zones in Active Directory and test the namespaces.…
How to get disk capacity in GB, disk free space in GB, and disk free space in percentage with PowerShell? After we have the information, we like to copy it into a document. Do you want to have an output…
We like to get a list of all the Organizational Units (OUs) in Active Directory and export it with PowerShell. Why do we need that? We like to clean up not used OUs. This article will teach you how to…
The allocation unit size or named block size of a partition is vital for the systems. Think about the system performance. A partition is default formatted with a standard 4 KB allocation unit size. It does not mean that it's…
There are two ways to add an alternative UPN suffix to Active Directory (AD), one way is with the GUI, and the other is with PowerShell. In this article, you will learn how to add a UPN suffix in both…