Aug 29 2018 06:54 AM
Unfortunately both solution described in the article don`t work.
Sep 21 2018 10:22 PM
There was an issue with 1803, try it with the newly released KB4458469.
"Addresses an issue that prevents the DefaultSearchProvider policy from working when the FirstRunPage policy is in use."
Sep 22 2018 03:58 AM
Thnx for pointing me to the kb!