-|7. **File hash computation**. <br/>If you enable file hash computation, which is used for [Create indicators for files](indicator-file.md) Indicators - File hash - allow, there is an additional performance overhead which is [documented](/defender-endpoint/indicator-file). For example, copying large files from a network share onto your local device, especially over a VPN connection, might have an effect on device performance. | This is where you, and your leadership team will have to make a decision, of having more security or less cpu utilization. <br/><br/>One possible solution is to disable the File hash computation feature. Go to **Computer Configuration** > **Administrative Templates** > **Windows Components** > **Microsoft Defender Antivirus** > **MpEngine**, and then enable file hash computation features.|
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