I could not figure out what's the problem.
I checked store setting and store URL is in a correct format like http://domain.com/
System.Net.WebException: Too many automatic redirections were attempted. at System.Net.WebClient.DownloadDataInternal(Uri address, WebRequest& request) at System.Net.WebClient.DownloadString(Uri address) at Nop.Services.Common.KeepAliveTask.Execute() at Nop.Services.Tasks.Task.Execute(Boolean throwException, Boolean dispose, Boolean ensureRunOnOneWebFarmInstance)