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

Applies To

Windows 10, version 1903, all editions Windows 10, version 1809, all editions Windows Server 2019, all editions Windows 10, version 1803, all editions Windows 10, version 1709, all editions Windows 10, version 1703, all editions Windows 10, version 1607, all editions Windows Server 2016, all editions Windows 10 Windows 8.1 Windows Server 2012 R2 Windows Server 2012 Windows 7 Service Pack 1 Windows Server 2008 R2 Service Pack 1 Windows Server 2008 Service Pack 2

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.