Windows Server 2025.26100.1742-oemret-x64fre-en...

: Extends the historical 8k database page limitation, dramatically improving directory database scalability and allowing deeply nested attribute structures.

Microsoft’s server operating system family has long been the backbone of enterprise IT, cloud infrastructure, and hybrid data centers. With the gradual phasing out of Windows Server 2022, all eyes are on the next long-term servicing channel (LTSC) release: . Among the early build strings circulating in technical evaluation channels and OEM recovery media, one stands out:

Native NVMe SSD optimizations, with ReFS deduplication and compression for active VM workloads. Key Innovations and Security Overhauls Windows Server 2025.26100.1742-OEMRET-x64FRE-en...

: Testing the new "Security Baseline" which is applied by default, including stricter SMB signing requirements. for this specific build or licensing differences between OEM and Volume versions?

Setup /Auto Upgrade /Compat ScanOnly

: Built-in setup wizards allow immediate cloud-managed monitoring and policy enforcement directly from deployment.

: Provides secure access to file shares over the internet without needing a VPN by using UDP/443. This version also supports using alternative ports for SMB over QUIC. : Extends the historical 8k database page limitation,

: Improved support for non-volatile memory (NVMe) storage for lightning-fast LDAP queries.

The string represents the full build tag of the operating system. While the first part (26100) indicates the major release iteration, the ".1742" suffix signifies specific revisions or cumulative updates applied to the build. This specific version was compiled on September 4, 2024 , as indicated by the timestamp 240906 in the filename, and was later made generally available to the public on November 1, 2024. Among the early build strings circulating in technical

A widely reported issue involved servers with high numbers of logical processors. Users experienced slow boot times (taking three hours or more), Blue Screens of Death (BSOD), and installation failures. Microsoft confirmed that servers with were particularly susceptible to these problems. The recommended workaround was to restrict the CPU count in the UEFI settings to below 256 until a permanent fix was released. Fortunately, Microsoft has since resolved these high-core count issues in subsequent security updates.