Power BI Pro Tip: Troubleshooting Data Management Gateway stability
April 1, 2014 
If your Data Management Gateway crashes a lot, just make sure you have .NET framework version 4.5.1 or later installed. 4.5.1. introduced fixes that the Data Management Gateway needs.
If you install it and reboot the server your DMG should be running much more smoothly.
You May Also Like
Passing command line settings to SQL Server Integration Services (SSIS) packages using dtexec on Linux
Machine learning is like washing clothes