{"id":20765,"date":"2024-05-29T12:00:00","date_gmt":"2024-05-29T19:00:00","guid":{"rendered":""},"modified":"2025-06-02T08:02:20","modified_gmt":"2025-06-02T15:02:20","slug":"gain-enhanced-security-and-performance-with-windows-server-2025","status":"publish","type":"post","link":"https:\/\/www.microsoft.com\/en-us\/windows-server\/blog\/2024\/05\/29\/gain-enhanced-security-and-performance-with-windows-server-2025\/","title":{"rendered":"Gain enhanced security and performance with Windows Server 2025\u2014now in preview"},"content":{"rendered":"\n<p>We are excited to announce that <a href=\"https:\/\/aka.ms\/WS2025Preview\">Windows Server 2025 is available in public preview<\/a> and ready for you to download in the Evaluation Center. This is the latest in our Long-Term Servicing Channel (LTSC) releases, and it\u2019s scheduled to be generally available later this calendar year. Feedback from customers like you has helped us transform Windows Server 2025 into what we hope you\u2019ll agree is our most secure and innovative version yet. This release delivers advanced security, new Azure hybrid features, a high-performance platform for your existing apps and AI workloads, and a modernized Windows Server experience. Read on for just a few highlights,<sup>1<\/sup> then try it for yourself.\u00a0<\/p>\n\n\n<div class=\"wp-block-msxcm-cta-block\" data-moray data-bi-an=\"CTA Block\">\n\t<div class=\"card d-block mx-ng mx-md-0\">\n\t\t<div class=\"row no-gutters material-color-brand-light bg-fabric-white\">\n\n\t\t\t\t\t\t\t<div class=\"col-md-4\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"433\" src=\"https:\/\/www.microsoft.com\/en-us\/windows-server\/blog\/wp-content\/uploads\/2024\/05\/STB13_Ranbir_02-1.png\" class=\"card-img img-object-cover\" alt=\"\" srcset=\"https:\/\/www.microsoft.com\/en-us\/windows-server\/blog\/wp-content\/uploads\/2024\/05\/STB13_Ranbir_02-1.webp 650w, https:\/\/www.microsoft.com\/en-us\/windows-server\/blog\/wp-content\/uploads\/2024\/05\/STB13_Ranbir_02-1-300x200.webp 300w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/>\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"d-flex col-md\">\n\t\t\t\t<div class=\"card-body align-self-center p-4 p-md-5\">\n\t\t\t\t\t\n\t\t\t\t\t<h2>Windows Server 2025<\/h2>\n\n\t\t\t\t\t<div class=\"mb-3\">\n\t\t\t\t\t\t<p>Download the public preview to try these exciting new features.<\/p>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"link-group\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/nam06.safelinks.protection.outlook.com\/?url=https%3A%2F%2Faka.ms%2FWS2025Preview&#038;data=05%7C02%7Cv-jackjoslyn%40microsoft.com%7Ca4f872cde3404f7d0f0b08dc7a8a9e40%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C638519983015113905%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&#038;sdata=wZxNAwu0p1o4GBy24pTYGIXrEmwbPW0pcWxOnh2gjqQ%3D&#038;reserved=0\" class=\"btn btn-link text-decoration-none p-0\" target=\"_blank\">\n\t\t\t\t\t\t\t\t<span>Start here<\/span>\n\t\t\t\t\t\t\t\t<span class=\"glyph-append glyph-append-chevron-right glyph-append-xsmall\"><\/span>\n\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"advanced-security\">Advanced security<\/h3>\n\n\n\n<p>With a growing number of cyber security threats and the impact of incidents escalating quickly, security is a top priority for our customers. Windows Server 2025 includes a rich set of security innovations, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Modern, scalable identity management with new security capabilities in <strong>Active Directory<\/strong>.<\/li>\n\n\n\n<li>Server Message Block (SMB) improvements including <strong>SMB over QUIC<\/strong>&nbsp;and features to help protect against brute force attacks, spoofing, and relay attacks.<\/li>\n\n\n\n<li><strong>Security updates with fewer reboots<\/strong>, made possible through <a href=\"https:\/\/azure.microsoft.com\/en-us\/products\/azure-arc\/\" target=\"_blank\" rel=\"noreferrer noopener\">Azure Arc<\/a>-enabled hotpatching, new security capabilities in Active Directory, and SMB hardening.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"hybrid-innovation\">Hybrid innovation<\/h3>\n\n\n\n<p>We\u2019re continuing to hear from our customers that the majority of their organizations work in a hybrid or multicloud state. In fact, a recent survey we conducted revealed that 81% of current hybrid cloud customers expect to remain hybrid for another five years.<sup>2<\/sup> Now, you can innovate and govern anywhere, as Windows Server 2025 delivers improved hybrid cloud capabilities such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Software-defined network (SDN) multisite <\/strong>features allow for native L2 and L3 connectivity for workloads in multiple locations, and the ease of unified network policy management.<\/li>\n\n\n\n<li><strong>Flexible hybrid and multicloud management tools<\/strong> that bring Azure capabilities to your datacenter through Azure Arc.<\/li>\n\n\n\n<li>If you want to use Azure hybrid capabilities but haven\u2019t started yet, Windows Server 2025 has features that allow <strong>easier onboarding to Azure Arc<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ai-performance-and-scale\">AI, performance, and scale<\/h3>\n\n\n\n<p>Are you curious about how your organization can do more with AI? Well, you\u2019ve come to the right place! Azure hosts some of the world&#8217;s largest workloads that push the limits of CPU and memory capabilities to process huge data sets across distributed environments. With the growth of AI and machine learning, GPUs have become a key part of cloud solutions because they&#8217;re great at performing many parallel operations on large data. Windows Server 2025 brings you many of these advantages across GPUs, storage, networking, and scalability. New features include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GPU partitioning<\/strong> across virtual machines with live migration and failover clustering; built to support AI workloads and inferencing at the edge.<\/li>\n\n\n\n<li>Reductions in the time you spend on network setup and issue remediation with new <strong>Network Adaptive Traffic Control (ATC)<\/strong> and <strong>Network Health and Usage Dashboard (HUD)<\/strong> features.<\/li>\n\n\n\n<li>Massive increases in storage performance and <strong>vastly improved Hyper-V performance and scalability<\/strong>.<sup>3<\/sup><\/li>\n\n\n\n<li><strong>Easy upgrades<\/strong> through Windows Update.<\/li>\n<\/ul>\n\n\n\n<p>What we\u2019ve provided above is just a quick overview of our top improvement areas for Windows Server 2025. For more details, we encourage you to read more on <a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/get-started\/whats-new-windows-server-2025\" target=\"_blank\" rel=\"noreferrer noopener\">Microsoft Learn<\/a> and watch our <a href=\"https:\/\/techcommunity.microsoft.com\/t5\/tech-community-live\/windows-server-summit-2024\/ev-p\/4068971\" target=\"_blank\" rel=\"noreferrer noopener\">2024 Windows Server Summit<\/a> on demand.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"windows-server-customers-on-the-leading-edge\">Windows Server customers on the leading edge<\/h3>\n\n\n\n<p>While Windows Server 2025 is only coming into its public preview now, we\u2019d like to share just a few inspiring customer stories you might have missed, to help you plot the journey ahead:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/customers.microsoft.com\/en-us\/story\/1642276491962030158-correios-de-portugal-travel-and-transportation-azure\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>CTT &#8211; Correios de Portugal<\/strong><\/a>: Learn how an organization that\u2019s been around since 1520 gets ready for AI.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/customers.microsoft.com\/en-us\/story\/1687922579120746345-hokkoku-bank-capital-markets-azure-en-japan\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Hokkoku Bank<\/strong><\/a>: This bank laid the initial groundwork for modernization by moving its entire on-premises estate to Windows Server. This created a seamless path to full cloud transformation on Microsoft Azure.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/customers.microsoft.com\/en-us\/story\/1703439817447066120-dicks-sporting-goods-azure-arc-aks-retailers-usa\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>DICK\u2019s Sporting Goods<\/strong><\/a>: This Windows Server customer created an omnichannel athlete experience using Azure Arc and Azure Kubernetes Service.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"system-center-2025\">System Center 2025<\/h3>\n\n\n\n<p>We\u2019re also excited to announce the launch of <a href=\"https:\/\/techcommunity.microsoft.com\/t5\/system-center-blog\/announcement-system-center-2025-is-here\/ba-p\/4138510\" target=\"_blank\" rel=\"noreferrer noopener\">System Center 2025<\/a>, a leap forward in infrastructure management, enabling you to&nbsp;make the most of the Windows Server 2025 features from \u201cday 0\u201d. Advanced security focus continues to be a theme for System Center 2025 as well, featuring Azure Key Vault integration and reduced NTLM and Credential Security Support Provider protocol (CredSSP) usage. For hybrid innovation, onboarding&nbsp;machines in your System Center Virtual Machine Manager (SCVMM) managed datacenters to Azure Arc is simplified with <a href=\"https:\/\/learn.microsoft.com\/en-us\/azure\/azure-arc\/system-center-virtual-machine-manager\/quickstart-connect-system-center-virtual-machine-manager-to-arc\" target=\"_blank\" rel=\"noreferrer noopener\">Azure Arc-enabled SCVMM<\/a>. In addition to at-scale Arc onboarding, it also enables you to manage the lifecycle of the machines in your datacenter in a self-service fashion from Azure.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"try-out-the-new-windows-server-2025-preview\">Try out the new Windows Server 2025 preview<\/h3>\n\n\n\n<p>Today we\u2019ve shared some of the new features and capabilities of <a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/get-started\/whats-new-windows-server-2025\">Windows Server 2025<\/a>. They\u2019re the outcome of more than 30 years of working on, refining, and updating the Windows Server platform based on input from dedicated professionals like you. Thank you for being a valuable Windows Server customer and, through your passion and feedback, helping us shape this new release. For more details, read this <a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/get-started\/whats-new-windows-server-2025\" target=\"_blank\" rel=\"noreferrer noopener\">Windows Server documentation<\/a>, watch our <a href=\"https:\/\/techcommunity.microsoft.com\/t5\/tech-community-live\/windows-server-summit-2024\/ev-p\/4068971\" target=\"_blank\" rel=\"noreferrer noopener\">Windows Server Summit sessions<\/a>, or check out the <a href=\"https:\/\/www.youtube.com\/live\/pTv1ax4vTZY?si=kplaF024BRhwISYB\" target=\"_blank\" rel=\"noreferrer noopener\">&#8220;What&#8217;s ahead for Windows 2025&#8221;<\/a> video.<\/p>\n\n\n\n<p><a href=\"https:\/\/aka.ms\/WS2025Preview\">Download the&nbsp;Windows Server 2025<\/a> preview.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p><em><sup>1<\/sup>This information relates to a prerelease product that may be substantially modified before it&#8217;s released. Microsoft makes no warranties, expressed or implied, with respect to the information provided here.<\/em><\/p>\n\n\n\n<p><em><sup>2<\/sup>Based on a 2023 Microsoft survey of Windows Server customers using hybrid cloud in their organization. N=197.<\/em><\/p>\n\n\n\n<p><sup>3<\/sup><em>Up to\u00a0<strong>70% more IOPs\u00a0<\/strong>on NVMe SSDs; Windows Server 2025 Hyper-V Virtual Machine Maximums:\u00a0Maximum Memory per VM:\u00a0<strong>240 Terabytes* (10x previous)<\/strong>\u00a0; Maximum Virtual Processors per VM:\u00a0<strong>2048 VPs* (~8.5x previous)<\/strong>\u00a0*Requires Generation 2 VMs\u00a0; Windows Server 2025 Host Memory Maximums:\u00a0<strong>4 Petabytes<\/strong>\u00a0for hosts that support 5 level paging\u00a0<strong>(166x previous)<\/strong>\u00a0;\u00a0<strong>256 Terabytes<\/strong>\u00a0for hosts that support 4 level paging\u00a0<strong>(10x previous)<\/strong><\/em>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We are excited to announce that Windows Server 2025 is available in public preview and ready for you to download in the Evaluation Center.<\/p>\n","protected":false},"author":6242,"featured_media":20809,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"msxcm_post_with_no_image":false,"ep_exclude_from_search":false,"_classifai_error":"","_classifai_text_to_speech_error":"","footnotes":""},"post_tag":[140,530,23],"product":[1012],"content-type":[958],"solution":[952,1015],"coauthors":[3692],"class_list":["post-20765","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-hyper-v","tag-system-center","tag-windows-server","product-azure","content-type-announcements","solution-server-management","solution-storage","review-flag-1593580409-206","review-flag-1-1593580431-223","review-flag-1-1710328007-20","review-flag-2-1593580436-936","review-flag-2-1710328007-310","review-flag-3-1593580441-66","review-flag-3-1710328007-736","review-flag-4-1593580446-763","review-flag-4-1710328008-217","review-flag-5-1593580451-829","review-flag-5-1710328008-171","review-flag-8-1593580467-311","review-flag-8-1710328008-936","review-flag-anywh-1593580317-261","review-flag-anywh-1710328006-417","review-flag-machi-1680214151-210","review-flag-machi-1710328013-314","review-flag-new-1593580246-692","review-flag-new-1710328005-681","review-flag-publi-1593580760-134","review-flag-publi-1710328012-606","review-flag-vm-1593580805-84"],"yoast_head":"<!-- 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