Guidance for disabling Intel® Transactional Synchronization Extensions (Intel® TSX) capability

Summary

If you would like to disable Intel® Transactional Synchronization Extensions (Intel® TSX) capability for those processors that expose the necessary processor support, please follow the guidance around registry setting outlined below to disable it.

Registry setting

  • Disable Intel® Transactional Synchronization Extensions (Intel® TSX) capability thru the following registry setting: reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Kernel" /v DisableTsx /t REG_DWORD /d 1 /f

    Restart the computer for the changes to take effect.

  • Enable Intel® Transactional Synchronization Extensions (Intel® TSX) capability thru the following registry setting: reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Kernel" /v DisableTsx /t REG_DWORD /d 0 /f

    Restart the computer for the changes to take effect.

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