You will now be presented with a black command prompt window and begin typing the following commands:Īctivates the EWF from the DOS cmd prompt.ĭeactivates the EWF from the DOS cmd prompt.Ĭommits changes that exist in the RAM state to the drive, then deactivates the EWF from the DOS cmd prompt.Please now select the Run option and at the command prompt type cmd.To use any of the following commands then you will need to firstly navigate to the command prompt window with the following steps: See the screenshot: "Windows Taskbar EWF State.png"ĮWFMGR activate and deactivate commands to use: The Windows Taskbar will also indicate the EWF status: This will now return a series of results and will tell you the current state of the EWF. You will now be presented with a black command prompt window and within this will need to type – ewfmgr c:.Please now select the Run option and at the command prompt type** cmd** (make sure theres administrator rights.if not run as administrator).Click on the** Start** button on your PC. This is done through a feature called the Enhanced Write Filter (EWF). The main disk volume of the iPC is write-protected in order to maximize the life of the disk as well as ensuring the saved state of the disk for consistent behaviour day-to-day for applications which need it (for example a factory HMI). File writes or program installation to the main drive of a Magelis iPC are not being kept before and after a restart because the disk volume is write-protected.
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