Sidchg Key Patched ((install)) Jun 2026

: Local Security Authority Server Service ( lsasrv.dll ) now actively flags duplicate SIDs.

: If two machines on the same network attempt to communicate via NTLM or SMB (Server Message Block), and they share the exact same underlying local computer SID due to disk cloning, Windows automatically blocks the handshake. sidchg key patched

If an image is cloned without running Microsoft's official System Preparation () utility, every single cloned machine retains the exact same computer SID. : Local Security Authority Server Service ( lsasrv

破解者通过逆向分析，找到判定"密钥验证是否通过"的汇编代码，将其 85 C0 （测试结果非零即通过）强制修改为 33 C0 （直接返回零）。这种修改实质上是删除了软件的授权跳转逻辑，使程序绕过密钥验证。 sidchg key patched

Because direct registry modification is patched or heavily restricted, Microsoft’s official utility remains the only supported method to change a machine SID:

Understanding the SIDCHG Key Patch: Solving Windows Duplicate SID Issues Post-Update