active directory

Microsoft’s September/October servicing cycle has produced a high-impact collision between a Windows Server 2025 cumulative update and enterprise identity tooling, leaving some organizations with partial directory synchronization and dangerous AD replication failures — a problem Microsoft now...

Microsoft has confirmed that a September 2025 cumulative update for Windows Server 2025 (KB5065426) introduced an Active Directory (AD) replication defect that can break directory synchronization in mixed-version forests when the forest Schema Master FSMO role is hosted on a Windows Server 2025...

Microsoft’s security update for September (KB5065426) has been implicated in a rising wave of identity and file‑sharing headaches for organizations that have adopted Windows Server 2025—yet the most alarming claim now circulating, that a DirSync/Entra Connect group‑sync bug in KB5065426 silently...

Microsoft has confirmed a Windows Server bug that can break Active Directory schema replication when the forest Schema Master FSMO role is hosted on a Windows Server 2025 domain controller and an Exchange schema change is applied, producing schema‑mismatch replication errors that can rapidly...

A subtle but dangerous defect in Windows Server 2025’s schema-master behavior is now a confirmed production risk: when the forest Schema Master FSMO role is hosted on a Windows Server 2025 domain controller and an Exchange on‑premises schema extension (for example, Exchange Server 2019 CU15 or...

Microsoft has confirmed a high-impact Active Directory (AD) replication defect that can break domain controller synchronization when the forest Schema Master FSMO role is hosted on a Windows Server 2025 domain controller and Exchange schema changes are applied — a narrow trigger that nonetheless...

Microsoft and Exchange teams are warning administrators about a narrow—but potentially high‑impact—Active Directory schema replication problem that can surface when an Exchange cumulative update (for example, Exchange 2019 CU15 or Exchange Server Subscription Edition RTM) extends the schema...

Bloomberg’s Managed Systems Engineering team is hiring an Infrastructure Engineer — Windows Services to lead a global effort to modernize and harden the company’s Active Directory (AD) estate, manage the Windows server fleet, and operate identity and access services at massive scale; the role is...

Microsoft’s newest server release is already generating painful operational lessons: administrators who add a Windows Server 2025 domain controller into a mixed Active Directory environment containing older DCs can trigger widespread authentication breakage — machine account password rotations...

Duo Directory Sync delivers a practical, one-way bridge from on-premises Active Directory into Duo by importing users, phones, groups and administrators via the Duo Authentication Proxy — but getting it right requires careful attention to authentication, transport security, proxy placement...

Windows 10 will stop receiving free security fixes on October 14, 2025 — and if your PC can’t take the free Windows 11 upgrade, you have five realistic paths forward: enroll in Extended Security Updates (ESU), buy or rent a new Windows 11 PC (including cloud PCs), perform an unsupported upgrade...

Winux arrives wrapped in sleek Windows 11 styling, a glossy demo video and a promise of a familiar desktop — but beneath the theme and the marketing, this distro resurrects the same trust issues, questionable licensing and security baggage that followed its predecessors LinuxFX and Wubuntu, and...

Renaming a Windows 11 PC is one of those tiny housekeeping tasks that pays outsized dividends: it makes devices easier to find on a network, helps you avoid confusion when syncing across accounts, and can even improve basic security by hiding OEM‑style default names. The process is intentionally...

Microsoft’s cybersecurity posture is under renewed fire after U.S. Senator Ron Wyden urged the Federal Trade Commission to open a formal investigation into the company’s default security settings, arguing that Microsoft shipped “dangerous, insecure software” that materially enabled a 2024...

Microsoft Active Directory remains the single most critical identity service in most enterprises—and in 2025 the vendor landscape for Active Directory backup and forest recovery has crystallised around a small set of purpose‑built products that go well beyond system‑state snapshots. The...

Setting up DNS on a Windows Server is one of the most consequential tasks an administrator can perform: it turns raw IP addresses into human-friendly names, anchors Active Directory functionality, and forms the backbone of service discovery across the network. Proper DNS configuration reduces...

Microsoft’s patch for the long‑standing .NET Framework issue that broke apps using Active Directory Forest Trust information has surfaced again in reporting, but the story is more nuanced than a three‑year “finally fixed” narrative — the .NET/System.DirectoryServices regression was identified in...

Microsoft’s long-running Kerberos hardening campaign is entering its final, non-reversible phase: the temporary registry workarounds that allowed administrators to keep weak certificate mappings and “Compatibility” behavior will be removed with the September 2025 servicing wave, forcing everyone...

Microsoft will remove support for the StrongCertificateBindingEnforcement registry key on Windows domain controllers on September 10, 2025, forcing a permanent switch to stricter, strong certificate-to-account mappings that will break legacy certificate-based authentication setups unless...

Active Directory disaster recovery is no longer an optional checkbox; it is a strategic, cross-team program that must protect identity as the foundational dependency for every application, service, and user in your environment. Background / Overview Active Directory (AD) sits at the heart of...