by Edward van Biljon | Jan 15, 2024 | PowerShell, PowerShell ISE
As Admins, when you create new accounts or need to reset account passwords, the first thing that comes to mind is just use “Pass@123” or “Password” because it is easy, however if you forget to force users to change passwords, they will use this...
by Edward van Biljon | Jan 14, 2024 | PowerShell, PowerShell ISE
As Exchange Administrators, we need to troubleshoot server issues from time to time when mail flow stops working or a change was implemented on the networking side and this has also caused an outage on your Exchange Server. By defaults IP routes on Windows Server...
by Edward van Biljon | Jan 13, 2024 | PowerShell, PowerShell ISE
Applications such as System Center Operations Manager, SolarWinds and others give you warning when certificates are going to expire so it gives you chance to update them before services or applications are disrupted. I put together a PowerShell script that will pull...
by Edward van Biljon | Jan 12, 2024 | Windows Server 2019 PowerShell, Windows Server 2022 PowerShell
One of my Exchange 2019 Core Servers in my lab locked up and was not responding and when it did respond was giving errors when running commands but the same commands worked on another server. As these are virtual machines, you can reboot it from the HyperVisor but...
by Edward van Biljon | Jan 6, 2024 | Exchange 2019, Exchange 2019 PowerShell
Calendar permissions are something I work with all the time and if you do not document each change you do and if you leave the company you are working for, the next administrator will not know what is currently set. You can view individual mailbox folder permissions...
by Edward van Biljon | Jan 5, 2024 | Exchange 2019, Exchange 2019 PowerShell
As an Exchange Admin, running updates such as Security updates or Cumulative Updates are something we perform all the time as they are released. This may be in a test lab or dedicated dev environment so you can track any issues. When servers are put into Maintenance...
by Edward van Biljon | Jan 4, 2024 | Exchange 2019 PowerShell, Exchange 2019
In my previous blog post, we looked at the Exchange Server Server Component State and how to validate each item. We will continue with the health checking and look at the Server Health state in Exchange Server, this can be Exchange 2019 or Exchange 2016. In this blog,...
by Edward van Biljon | Jan 3, 2024 | Exchange 2019 PowerShell, Exchange 2019, PowerShell, PowerShell ISE
As Exchange Administrators, we sometimes run into issues when mail stops flowing for example or Autodiscover is not working. Generally you would first look at the Event Logs but there is another section we need to also check. In Exchange, whether it is Exchange 2019,...
by Edward van Biljon | Jan 2, 2024 | PowerShell, PowerShell ISE, PowerShell V7, Windows Server 2016 PowerShell, Windows Server 2019 PowerShell, Windows Server 2022 PowerShell
In the hacking world, we know that Tools such as NMAP gives you a breakdown of the open ports, services etc. which is great and you can also check an open port using Telnet, but if you are restricted with tools and cannot add new features onto the Windows Servers, why...
by Edward van Biljon | Jan 1, 2024 | PowerShell, PowerShell ISE, PowerShell V7, Windows Server 2016 PowerShell, Windows Server 2019 PowerShell, Windows Server 2022 PowerShell
As an ethical Hacker, we are always looking for devices that are available on the network that we can scan. NMAP does a brilliant job by telling us which hosts are alive on the network but so do many other applications such as Angry IP Scanner, SolarWinds etc. If you...
