!!top!! — Windows Server 2025.26100.1742-oemret-x64fre-en...

: Always verify hash values (SHA-256) of any OEMRET image against the hardware vendor’s provided checksum to avoid tampered or malicious versions.

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is a legitimate but pre-release OEM recovery image intended for hardware partners. It is not suitable for production environments. Organizations planning for Windows Server 2025 should track the official LTSC release timeline and use official preview ISOs from the Windows Insider for Server program for testing. Windows Server 2025.26100.1742-OEMRET-x64FRE-en...