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Announcing Windows Server vNext Preview Build 26404
Announcing Windows Server vNext Preview Build 26404 Hello Windows Server Insiders! Today we are pleased to release a new build of the next Windows Server Long-Term Servicing Channel (LTSC) Preview that contains both the Desktop Experience and Server Core installation options for Datacenter and Standard editions, Annual Channel for Container Host and Azure Edition (for VM evaluation only). Branding remains, Windows Server 2025, in this preview - when reporting issues please refer to Windows Server vNext preview. If you signed up for Server Flighting, you should receive this new build automatically. What's New Windows Admin Center (WAC) Windows Server preview customers can download and install Windows Admin Center right from the Windows Server Desktop using the in-OS app that takes care of downloading and guides you through the installation process. Note: You must be running a desktop version of Windows Server Datacenter or Standard preview to access this feature. Windows Server Flighting is here!! If you signed up for Server Flighting, you should receive this new build automatically later today. For more information, see Welcome to Windows Insider flighting on Windows Server - Microsoft Community Hub. Feedback Hub app is now available for Server Desktop users! The app should automatically update with the latest version, but if it does not, simply Check for updates in the app’s settings tab. Known Issues Download Windows Server Insider Preview (microsoft.com) Flighting: The label for this flight may incorrectly reference Windows 11. However, when selected, the package installed is the Windows Server update. Please ignore the label and proceed with installing your flight. This issue will be addressed in a future release. Available Downloads Downloads to certain countries may not be available. See Microsoft suspends new sales in Russia - Microsoft On the Issues. Windows Server Long-Term Servicing Channel Preview in ISO format in 18 languages, and in VHDX format in English only. Windows Server Datacenter Azure Edition Preview in ISO and VHDX format, English only. Microsoft Server Languages and Optional Features Preview Keys: Keys are valid for preview builds only. Server Standard: MFY9F-XBN2F-TYFMP-CCV49-RMYVH Datacenter: 2KNJJ-33Y9H-2GXGX-KMQWH-G6H67 Azure Edition does not accept a key Symbols: Available on the public symbol server – see Using the Microsoft Symbol Server. Expiration: This Windows Server Preview will expire September 15, 2025. How to Download Registered Insiders may navigate directly to the Windows Server Insider Preview download page. If you have not yet registered as an Insider, see GETTING STARTED WITH SERVER on the Windows Insiders for Business portal. We value your feedback! The most important part of the release cycle is to hear what's working and what needs to be improved, so your feedback is extremely valued. Please use the new Feedback Hub app for Windows Server if you are running a Desktop version of Server. If you are using a Core edition, or if you are unable to use the Feedback Hub app, you can use your registered Windows 10 or Windows 11 Insider device and use the Feedback Hub application. In the app, choose the Windows Server category and then the appropriate subcategory for your feedback. In the title of the Feedback, please indicate the build number you are providing feedback on as shown below to ensure that your issue is attributed to the right version: [Server #####] Title of my feedback See Give Feedback on Windows Server via Feedback Hub for specifics. The Windows Server Insiders space on the Microsoft Tech Communities supports preview builds of the next version of Windows Server. Use the forum to collaborate, share and learn from experts. For versions that have been released to general availability in market, try the Windows Server for IT Pro forum or contact Support for Business. Diagnostic and Usage Information Microsoft collects this information over the internet to help keep Windows secure and up to date, troubleshoot problems, and make product improvements. Microsoft server operating systems can be configured to turn diagnostic data off, send Required diagnostic data, or send Optional diagnostic data. During previews, Microsoft asks that you change the default setting to Optional to provide the best automatic feedback and help us improve the final product. Administrators can change the level of information collection through Settings. For details, see http://aka.ms/winserverdata. Also see the Microsoft Privacy Statement. Terms of Use This is pre-release software - it is provided for use "as-is" and is not supported in production environments. Users are responsible for installing any updates that may be made available from Windows Update. All pre-release software made available to you via the Windows Server Insider program is governed by the Insider Terms of Use.Licensing issues
Is Microsoft open to receiving the information regarding licensing violations related to Windows Server or SQL Server? I mean that some US registered business is using unlicensed software above for commercial purposes. Is there an official channel or process for reporting such violations?
Why can't the server generate a report about deleting folders and files?
Hello, I enabled Audit Policy through the following method: Open the Local Group Policy Editor (gpedit.msc). Navigate to Windows Settings -> Security Settings -> Advanced Audit Policy Configuration -> Object Access. Open the Audit File System policy and check "Success". Update Group Policy Settings: Run the command "gpupdate /force" in Command Prompt to apply the changes. Then I enabled Audit policy on a folder and created and deleted a folder, but when I check the Event Viewer, there is only an ID of 4663. What is the problem? Thank you.
Shared Connections not deleting
Hi there - I have Windows Admin Center v1.5.2306.14001 installed and have 1142 shared connections. When I attempt to delete all shared connections, WAC looks like it goes through deleting them - but then gets to a specific number and just stops. If I then refresh the browser, it returns 1142 shared connections again - so, it looks like no shared connections have actually been deleted. If I try to delete just one shared connection, I get the same outcome. I've also tried re-importing some connections again with the below PowerShell command in the hope it'll remove any connections not specified in the csv, but it's still the same outcome. Import-Connection <WAC URL> -fileName WAC.csv -prune FYI - the above is being done with my user account, which has gateway administrator permissions in WAC. Has anyone else experienced this issue? Thanks
Feedback on ansible hyperv collection
Hi All, I'm looking for feedback of any sort on an ansible collection i've started to manage VM's on Hyper-V. The repos is at gocallag/hyperv (github.com) and the collection can be obtained via ansible-galaxy collection install gocallag.hyperv You can find the collection over at Ansible Galaxy - gocallag.hyperv Probably still quite a few bugs in it, but happy for any feedback.One DC with two subnets - Best practices
Hi all Our company will expand with a second physical site, and therefore a separate LAN. We already have an Active Directory in place, running on a Windows Server 2022 machine, with DHCP and DNS services. So we will now have two separate local networks, connected with a site-to-site VPN on router/gateway level, and one AD controller. I was wondering if there is a guide/instructions for setting up such a scenario. Can one AD controller handle this setup? How can I properly set up the DHCP and DNS requests from two different LANs? Thanks for your help
.NET Framework 1.1 Installation on Windows Server 2019
Hi! I'm trying to install .NET Framework 1.1 on Windows Server 19. I downloaded it from Microsoft Official Website, on the following link: https://www.microsoft.com/pt-br/download/details.aspx?id=26 When I run the installer, got two popups at the end of installation, that follow attached. Anyone know how to get through this?SRV 2022 WDS - Can't import Realtek NIC Drivers
hello, i'm using windows deployment services (WDS) on my windows server 2022. many clients (windows 10 and windows 11) have a "Realtek PCIe GbE Family Controller" as onboard NIC. if i get the required driver from ex. HP or DELL i can't import it into my WDS server (error code:0xC10408A6). even the driver from the microsoft catalog won't import. normally i would get it from realtek homepage, but this driver won't import either. a friend of mine has a WDS on a windows server 2019. he can import the driver from the realtek homepage an it works fine. what can i do? the error description says that the cause for failed packages includes unsigned x64 driver-package (it's signed), network connectivity (it's fine) and package corruption (but it works on server 2019). my 2022 server has the latest windows updates.Windows Server Backup - Not using all destination space
I administer a very small environment on the side. I am using Windows Server backup on a QNAP iSCSI target as the local destination with Azure as a cloud backup (immutable). The local backup is using 1336GB out of 1999GB, resulting in 18 copies. I am using Performance (VSS). Why isnt using more of the destination space? I am having trouble finding logs and such to look at.
Windows Server App
Hello I have a problem with this App can you help me please? Origen CONTPAQi Servidor de aplicaciones Resumen Dejó de funcionar Fecha 18/04/2025 07:01 a. m. Estado Informe enviado Descripción Ruta de acceso de la aplicación con errores: C:\Program Files (x86)\Compac\Servidor de Aplicaciones\saci.exe Firma del problema Nombre de evento de problema: APPCRASH Nombre de la aplicación: Saci.exe Versión de la aplicación: 8.6.0.7 Marca de tiempo de la aplicación: 67882e37 Nombre del módulo con errores: clr.dll Versión del módulo con errores: 4.8.4110.0 Marca de tiempo del módulo con errores: 5de6db95 Código de excepción: c0000005 Desplazamiento de excepción: 000000000020516f Versión del sistema operativo: 10.0.17763.2.0.0.16.7 Id. de configuración regional: 2058 Información adicional 1: 8003 Información adicional 2: 800318506651589194af197d200bba00 Información adicional 3: a8e5 Información adicional 4: a8e540cd85004ab1976836074559f3a2 Información adicional sobre el problema Identificador de depósito: d4f8a2bd87b3fc2a6bbd243406444e90 (1998793615484407440)
No SET-Switch Team possible on Intel X710 NICs?
Hello, we have lot of servers from different vendors using Intel X710 DA2 network cards. They work fine in standalone and they work fine if we create switch independet teams using Server Manager, Regardless of Dynmic or Hyper-V Port. But sadly we can't use these teams in Server 2025 because have to create SET-Switch Teams instead. But as soon as we create an Hyper-V SET-Switch Team with X710 cards, they have limited to no network communication. They still can communicate with some servers, are slow with some ohters, and can't communicate with some at all. Especially communication to other servers, which also use X710 cards with SET-Switches, is zero. SET-Teams with other cards like E810 work just fine. I've read several times that the X710 cards just wont work with SET, even since Server 2016. But I can't really give up on this, since we would have to replace a lot of them. We have tried to disable a lot of features like VMQ, RSS, RCS... but couln't make it work. Firmware and Drivers are the most recent, but it happens with older versions too. Does anyone have a solution? Thank you!
Seeking Help: MS Entra ID Authentication Issue in Windows Admin Center
Hello everyone, We are looking to use the new MS Windows Admin Center for our monthly tasks, such as updating our server landscape. However, we have encountered a problem: In the new MS Windows Admin Center, form-based authentication is required, which necessitates the use of the SAM Account Name. When we switch the gateway access to MS Entra ID, access to the Windows Admin Center Gateway is no longer possible. This worked seamlessly in older versions of the Windows Admin Center. The registration as an MS Entra Application works flawlessly, but after enabling authentication via MS Entra ID, logging into the gateway fails. Has anyone experienced similar issues or found a solution to this problem? Thank you in advance for your support!DC Client DNS Config
Hello, We have two buildings and two DCs in each building. The network speed within each building, between DCs, is 10Gb. The network speed between the buildings is 1Gb. There is a single domain and a single AD site. Each DC has AD integrated DNS. What should the DNS settings be on each server? I'm thinking.. Building 1 DC1 Building 1 DC2 Building 2 DC1 Building 2 DC2 Loopback Building 1 DC2 Building 1 DC1 Building 2 DC1 Building 2 DC2 Loopback Building 2 DC1 Building 2 DC2 Building 1 DC1 Building 1 DC2 Loopback Building 2 DC2 Building 2 DC1 Building 1 DC1 Building 1 DC2 Loopback If there were two AD sites, I'd have each site DC1 point to DC2 on the same site and itself by loopback. I'd have DC2 point to DC1 on the same site and itself by loopback. But with a 1Gb link between buildings, it doesn't seem necessary to have two AD sites so I have four DCs in the same AD site. Thoughts and references if possible. Many thanks.WAC opens but will not connect to any servers
I installed WAC into a Win2k19 server, with all the defaults except WinRM was set up as https, not the default. I can add servers, but not connect to any of them. All the servers I put in have PS 5.x and WinRM enabled. I get the following not-so-helpful messages: To perform a single sign-in using your Windows account, you might need to set up Kerberos constrained delegation. -- the above command is supposed to do this, admin center is logged in as essexarc\administrator Error The client cannot connect to the destination specified in the request. Verify that the service on the destination is running and is accepting requests. Consult the logs and documentation for the WS-Management service running on the destination, most commonly IIS or WinRM. If the destination is the WinRM service, run the following command on the destination to analyze and configure the WinRM service: "winrm quickconfig". I tried this: Set-ADComputer -Identity (Get-ADComputer dc1) -PrincipalsAllowedToDelegateToAccount (Get-ADComputer ac1) where ac1 is the WAC server, dc1 is a server I want to manage. Haven't found anything on the interwebs. Thank you, TomWindows Admin Center 2410: cannot add computers
After a fresh installation of Windows Admin Center 2410, I cannot add any servers, clusters, PCs etc. WAC gives me "You can add this computer to your list of connections, but we can't confirm it's available" when I enter a computer name (either of FQDN or computer name alone). When I change to the Search Active Directory tab, I get: "We can’t search Active Directory because the Windows Admin Center computer isn’t joined to an Active Directory domain. It’s also possible that your account doesn’t have permission to read from Active Directory." The account I use is a domain admin, and the server running WAC is definitely joined to the AD DS. The server had the previous version of WAC installed where everything worked. Now, with the new version, that's no longer the case...
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