| Change Control Event | Upgrade the Windows Operating System from 2012 R2 to Windows 2019 on the server ESMCARANSYS01 for the Cardiac Anesthesiology project. | Change Control Event | Upgrade the Windows Operating System from 2012 R2 to Windows 2019 on the server ESMCARANSYS01 for the Cardiac Anesthesiology project.CHG0068965 – Upgrade the Windows Operating System from 2012 R2 to Windows 2019 on the server ESMCARANSYS01 for the Cardiac Anesthesiology project.