This article describes how to configure the short date format that is displayed in the Orion server to DD/MM/YYYY. The short date format is the date format that is displayed to the user.
All NPM versions
Note: This should be done on the Main Poller.
Please backup the registry as the changes will be permanent.
See more info here: https://support.microsoft.com/en-us/kb/241671.
3. If editing registry don't work, use IE that should show the correct format.