Appium + WinAppDriver + Grid

Hi! Could you please help with some advise for my case:
We have Android .iOS and Windows WPF apps. Apps use web web view
for ios and android we use switch to web view for windows we start chromedriver separately and connect to WebView via IP and port it decision for run in 1 thread.
But time has come to implement multithread run on windows we decided to try use Appium + grid
and web view become a problem and we started chromedriver as separated node it has started but cant connect to webview with IP: port

org.openqa.selenium.WebDriverException: unknown error: cannot connect to chrome at
from chrome not reachable
(Driver info: chromedriver=2.40.565498 (ea082db3280dd6843ebfb08a625e3eb905c4f5ab),platform=Windows NT 10.0.19042 x86_64) (WARNING: The server did not provide any stacktrace information)