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Connection error: renew WSUS certificate

13 novembre 2023 à 11:03

Admins who work with WSUS regularly are used to connection issues of the MMC console. However, it is not clear from the error message what the cause of these problems could be. One possible reason is an expired certificate. After renewing it, you assign it to the WSUS website. For Server Core, you can do this using PowerShell.

The post Connection error: renew WSUS certificate first appeared on 4sysops.

Switch between Windows Terminal and the legacy console

16 novembre 2023 à 13:04

The new graphical console brings a number of improvements over the classic console host. However, for the foreseeable future, both environments are available. In Windows 11, the new terminal is already set as the default, but you can switch between both as needed. Unfortunately, the coexistence between the two terminals is suffering from some inconsistencies.

The post Switch between Windows Terminal and the legacy console first appeared on 4sysops.

Windows Server 2025 will support SMB over QUIC in all editions

17 novembre 2023 à 10:16

One of the main new features of Windows Server 2022 is SMB over QUIC. QUIC serves as an alternative to TCP and RDMA, providing a secure connection to a file server over untrusted networks. This protocol is based on UDP and TLS 1.3, enhancing the security and performance of file shares. Windows Server 2025 will include it in all editions, along with the new QUIC Client Access Control. QUIC has been exclusive to the Azure Edition until now.

The post Windows Server 2025 will support SMB over QUIC in all editions first appeared on 4sysops.

New Group Policy settings in Windows 11 23H2

20 novembre 2023 à 10:41

Windows 11 23H2 introduces a range of new Group Policy settings. These target new features like Dev Drive and extend the management options for existing components. The corresponding ADMX templates are already available for download, as is the setting reference spreadsheet.

The post New Group Policy settings in Windows 11 23H2 first appeared on 4sysops.

SystoLOCK in review: Logging in to Active Directory with multi-factor authentication without passwords

5 décembre 2023 à 14:33

SystoLOCK offers a robust solution for enhancing security through multi-factor authentication (MFA) without passwords in an Active Directory environment. Unlike other methods, SystoLOCK does not rely on cloud services. The solution introduces the convenience similar to smartcard-based authentication, eliminating the need for complex password management. Moreover, SystoLOCK allows users to log in securely via VPN connections and supports offline login functionality.

The post SystoLOCK in review: Logging in to Active Directory with multi-factor authentication without passwords first appeared on 4sysops.

WSL: Start Linux apps in Windows and Windows apps in Linux, access ext4 and NTFS

11 décembre 2023 à 12:20

The Windows Subsystem for Linux (WSL) aims to seamlessly integrate the open-source operating system with Windows, blurring the boundaries between the two worlds for users. This integration includes the ability to access the file system of one operating system from the other and run applications from either system.

The post WSL: Start Linux apps in Windows and Windows apps in Linux, access ext4 and NTFS first appeared on 4sysops.

Create a free lab for Microsoft 365 and Intune

14 décembre 2023 à 09:59

If you're looking to delve into Microsoft 365 management, there are a few options available. Some components offer free, time-limited trial versions, and in the case of Azure AD, there's a stripped-down free edition. Alternatively, Microsoft provides a developer license with a fully-featured subscription to M365 E5.

The post Create a free lab for Microsoft 365 and Intune first appeared on 4sysops.

Notepad++: Search and replace with regex und plugins

18 décembre 2023 à 12:56

The free and widely-used editor for Windows supports not only basic search and replace functions but also regular expressions. A helpful plugin assists in formulating regex, providing real-time expression validation. However, for many tasks you don't need regex; built-in functions and plugins often offer simpler solutions.

The post Notepad++: Search and replace with regex und plugins first appeared on 4sysops.

Windows Server 2025 Hyper-V: GPU partitioning, deduplication for VHDs, AD-less live migration

19 décembre 2023 à 09:46

The upcoming LTSC release of Windows Server introduces several enhancements to Hyper-V and new storage functions, which primarily benefit the operation of virtual machines. This includes GPU virtualization, a new deduplication feature for ReFS, and live migration of VMs on clusters that are not members of an AD domain.

The post Windows Server 2025 Hyper-V: GPU partitioning, deduplication for VHDs, AD-less live migration first appeared on 4sysops.

Install Windows Subsystem for Linux (WSL) on different Windows editions and Server Core

22 décembre 2023 à 10:07

For some time now, Microsoft has been offering a simplified installation of WSL via the wsl.exe utility. Hence, most guides refer to this method. However, in practice, it is not quite as straightforward because this command does not work on Server Core and is only suitable for WSL 2.

The post Install Windows Subsystem for Linux (WSL) on different Windows editions and Server Core first appeared on 4sysops.

Disable Copilot and block ChatGPT in Windows and Edge with Group Policy and Defender

15 janvier 2024 à 15:12
Microsoft has integrated AI features under the brand Copilot into almost all of its products, including Windows and the Edge browser. For businesses that haven't developed an AI strategy yet, these consumer versions of Copilot are often undesired. Fortunately, they can be blocked using group policies.

Disable SMBv1 and enable SMBv1 auditing

19 janvier 2024 à 13:28
Windows still includes some legacy protocols that pose significant security risks. This applies to SMBv1/CIFS, which Microsoft is gradually phasing out. While it is still present in new Windows versions, it is disabled by default. The audit feature can detect SMBv1 requests and assess whether the protocol is still required.

Windows Server 2025: New security features for file services (SMB, NTLM)

22 janvier 2024 à 10:24
The announced support for SMB over QUIC in all editions of Windows Server 2025 marks a significant advancement for the file services role. In addition, the upcoming LTSC server release brings several new mechanisms designed to enhance the security of traditional SMB over TCP or RDMA.

Create bootable ISO for Windows image (.wim)

7 février 2024 à 09:57
Before deploying to clients, you should update a Windows image with the latest patches and customize it to meet their needs. Depending on the deployment method, you need to provide the WIM archive on a bootable ISO file. This can be created using the tools from the Windows Assessment and Deployment Kit (ADK).

Edit JSON config files with free JSON editors or Notepad++

15 février 2024 à 13:00
JSON (JavaScript Object Notation) is gaining popularity as a format for configuration files. Unlike XML or the still-used INI format, editing JSON in a text editor can be tedious and error-prone. However, there are free JSON editors and plugins for Notepad++ that simplify this task.

Configure Windows 11 Start menu with Group Policy

21 février 2024 à 13:02
One of the most noticeable innovations of Windows 11 is the redesigned Start menu. This changes not only its appearance but also its technical foundations. However, the settings in the Group Policy have remained mainly the same, so it is unclear which ones still apply.

Install the new Teams client: bulk installer, policies, changes from the classic client, system prerequisites

23 février 2024 à 15:35
Users will gradually receive the new Teams client depending on the license and update channel. Microsoft now offers a bulk installer for businesses looking to migrate to the new version. Subsequently, admins can enforce a specific client for users using a policy.
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