… and the guest server VM won’t reboot
If a Windows Server 2016 guest VM on Hyper-V hangs while stopping after Windows Updates, it might be caused by the recovery debug information type set. Especially when you have moved the Windows PageFile to a different partition/VHDX.
Continue readingThere are a lot of hints & tips out there for troubleshooting SPNs, or Service Principal Names. Listing duplicate SPNs is fairly easy, just use setspn -X on your command-line and you’ll find out. But how do you find out which SPNs are used for which users and computers are used for this?
There is another VERY IMPORTANT THING with Microsoft Meltdown patches like update KB4056892: – Customers will not receive these security updates and will not be protected from security vulnerabilities unless their anti-virus software vendor sets the following registry key
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Users can install and run multiple versions of the .NET Framework on their computers. When you develop or deploy your app, you might need to know which .NET Framework versions are installed on the user’s computer.
Continue readingA short post for my colleagues at the customer support and anyone else wondering the same: how to disable TLS encryption in FileZilla and turn off the FTP over TLS default setting?
Continue readingSometimes you find your WSUS server keeps crashing over and over again. WSUS is unavailable and/or the WSUS management console hangs. When you start to investigate as to why Windows Server Update Services crashes, you’ll notice the following error message being logged in the HTTPErr log files:
Continue readingA quicky: if you need to merge multiple text files into one new file in Windows, you can use the copy command in cmd.exe, and here is how:
When you have just installed your new Windows Server, with or without IIS as web server, it is important to take a few extra security measurements. Securing your server is important to keep hackers out and your data safe. This article shows 3 4 key steps in securing your Windows Server web (IIS) or file server.
Disable SMBv1 to prevent prevent Petya / NotPetya, WannaCry / WanaCrypt0r ransomware spreading through your network. These worm viruses exploit a vulnerability in Windows Server Message Block (SMB) version 1 (SMBv1), and spread like wildfire. It is urged you disable SMBv1 in your Windows variant (Windows 10, 8.1, Server 2016, 2012 R2), and here is how if you haven’t done so yet.
Continue readingThis post explains how to restrict automatic NS resource record registration in Windows Server DNS using Dnscmd. This prevents Windows Server DNS to automatically create NS records for zones that it hosts on the server.
Windows Server 2016 was finally released last week, meaning we can finally lift the idiotic 260 characters limitation for NTFS paths. In this post I’ll show you how to configure the Enable Win32 long paths setting for the NTFS file system, through Group Policy (a GPO).
Continue readingFound via cyber-ir.com: This paper is the best I have ever read on how to build IOC’s with Windows Event ID’s. I highly recommend you to read it, it contains very useful information and some very interesting behavioural examples of attacker activity. If you are looking to enhance your detection in your core network this is the document!
Continue readingDisk cleanup in Windows Server using DISM is one of the most popular posts here on Saotn.org. It is still valid for Windows Server 2016 and up. So apparently, disk space usage is an issue in Windows Server. Which made me wonder: what more ways to clean up disk space in Windows Server are there?
Continue readingHow to migratie an Windows Server 2008 R2 KMS to Windows Server 2012 R2, for volume activation of Microsoft products? On a new KMS server? You don’t, apparently there is no Windows Server 2008 (R2) KMS to Windows Server 2012 R2 migration. There is no way to automatically transfer your KMS role along with the products its activating to another server. Luckily Charity Shelbourne wrote up a handy how to for this task.
When you start to play with Windows Server 2016 and IIS 10, you’ll receive an error when you try to install the IIS URL Rewrite Module in IIS. The error occurs because the URL Rewrite Module installer contains an invalid version check for the IIS being used. Here is how to install IIS URL Rewrite Module in IIS 10…
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