Browsing Posts in Microsoft

Reading Time: 2 minutes ​Microsoft has announced the generall availability (GA) of Windows Server 2025, the latest version of its server operating system, starting Friday, November 1st. Windows Server 2025 is available through two primary release channels: the Long-Term Servicing Channel (LTSC) with Windows Server 2025 and the Annual Channel (AC) linked to Windows Server, version 23H2.

Reading Time: 2 minutes Microsoft warned customers to patch a critical TCP/IP remote code execution (RCE) vulnerability that impacts all Windows systems (client and server) using IPv6 stack. The vulnerability is identified as CVE-2024-38063 and it’s a 9.8-out-of-10 on the CVSS severity scale. Note that, on Windows systems the IPv6 is enabled by default and, in the past, Microsoft itself has not recommend disabling IPV6: ” We do not recommend that you disable IPv6 or its components, or some Windows components may not function.” (https://support.microsoft.com/en-us/kb/929852)

Reading Time: 3 minutes Hotpatching is a way to install OS security updates on some supported Windows Server editions running in virtual machines (VMs) that doesn’t require a reboot after installation. It works by patching the in-memory code of running processes without the need to restart the process.  Actually hotpatch is supported only on VMs and Azure Stack HCI created from images with the exact combination of publisher, offer and sku from the below OS images list:

Reading Time: 2 minutes Windows Server 2025 is quite close to be released (before the end of 2024), but what about the lifecycle of Windows Server products and which version is still supported? Windows products are governed by both a Modern Lifecycle Policy or a Fixed Lifecycle Policy. Search for the product lifecycle for your specific Windows product and its corresponding Lifecycle Policy and end-of-support dates.

Reading Time: 2 minutes Software for Open Networking in the Cloud (SONiC) is the open networking solution used in Microsoft’s Azure Cloud. SONiC is the networking switch software used in the lower layer of Azure Datacenter fabric (TOR and Aggregation).

Reading Time: 2 minutes In Windows Server 2019 there were four different editions: But with Windows Server 2022 there are some changes in the different editions.

Reading Time: 2 minutes More than ten years ago I wrote a post on Why Dynamic Disks are a bad choice… but they are still used too much without know the impact. Microsoft Windows Dynamic Disks (or Dynamic Volumes) are an abstraction layer (introduced in Windows 2000) over the partitions (similar to the LVM layer on Linux environment) to decoupled the volumes (with their NTFS data) from the disk partitions and have a greater flexibility, like hot-extend a volume by simple add new partitions (but also several other advantages). It’s something really old and obsolete… you can hot-extend a […]

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