Network, Systems and Security Administration
PowerShell comparison operators look simple. -eq means equal, -ne means not equal, -gt means greater than, and so on. The surprises start when the value on the left-hand side is…
When a malicious or inappropriate email has already reached user mailboxes, the question is no longer how to prevent it. The question is how to remove it without making the…
Robocopy is one of those Windows tools that looks simple until you start copying a large file server and need to preserve more than just the files themselves. If you…
If you manage an Active Directory environment with multiple domain controllers, sooner or later you’ll need to answer a simple question: Which domain controller is this computer actually using? The…
Active Directory stores every object as a set of attributes. A user account is not simply “John Smith”. It is a collection of attribute values such as givenName, sn, sAMAccountName,…
If Citrix users can log in to StoreFront but an application or desktop fails to launch with: Unable to connect to the server. SSL Error 47: The server sent an…
Windows Hello works well right up until it doesn’t. A user opens Settings → Accounts → Sign-in options, and the facial recognition and fingerprint options are greyed out with a…