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S2D and SAN coexistence in Windows Server failover clustering for Hyper‑V, SQL Server, and file services

Organizations running modern data centers increasingly need flexible storage architectures that balance performance, resiliency, and investment protection. With Windows Server 2022 and Windows Server 2025, Microsoft now enables true S2D and SAN coexistence—allowing Storage Spaces Direct (S2D) to operate alongside traditional SAN storage within the same failover clustering environment. This mixed-storage approach lets IT teams optimize workloads such as Hyper-V, SQL Server, and file services by combining high-performance local storage with existing enterprise SAN infrastructure, all while maintaining full cluster support and operational consistency.

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Windows Server 2025 WSUS blocks ESU updates

Windows Server 2025 implements security hardening changes that block WSUS from distributing extended security updates (ESU) to end-of-life operating systems. The modifications affect Windows Server 2012 and 2012 R2 systems receiving ESU updates through WSUS, requiring administrators to implement workarounds or upgrade their infrastructure.

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AD replication error 8418: The replication operation failed because of a schema mismatch between the servers involved

Active Directory domain controllers running Windows Server 2025 with the schema master FSMO role may create duplicate schema attribute values when performing Exchange Server schema extensions, causing replication failures across the entire forest. This issue triggers this error message: Error 8418: The replication operation failed because of a schema mismatch between the servers involved. The issue affects environments attempting to deploy Exchange Server cumulative updates or Exchange Server Subscription Edition. Microsoft has acknowledged this as a known issue in KB5065426.

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Remote Desktop credential delegation (SSO) not working after enabling Credential Guard

Remote Desktop credential delegation, or RDP single sign-on, allows you to connect to another computer's RDP session without re-entering your credentials. However, after enabling Credential Guard on your Windows Servers, SSO no longer works, and you'll receive an error message: Your credentials did not work. The logon attempt failed. This article explains why this occurs and provides instructions on reconfiguring SSO correctly.

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Comment installer un serveur SFTP sur Windows Server

Dans cet article, nous verrons ensemble comment installer un serveur SFTP sur Windows Server. J’utiliserai ici Windows Serveur 2022 mais vous pouvez faire de même sur les versions précédentes. Nous utiliserons ici le logiciel open source OpenSSH pour réaliser cette tâche. Pourquoi utiliser un serveur SFTP ? Un serveur SFTP est un moyen sécurisé et …
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