Windows Server 2025 LTSC container images incompatible with Windows 11 25H2

[kovacsx]

• Host OS: Windows 11 25H2 (Build 26200.7171)
• Container Image: mcr.microsoft.com/windows/servercore:ltsc2025 (Build 26100.7171)
• Error: hcsshim::PrepareLayer failed in Win32: The container image contains a layer with an unrecognized format. (0xc0370112)
• Docker Version: 29.0.1
• Isolation Mode: Both process and hyperv fail
• Workaround: LTSC 2022 works fine
• Impact: Cannot develop/test applications targeting Windows Server 2025