(ToolsNet Web App) Signal R Error
Scenario A
Cause: Incorrect Active Directory security group configuration.
Solution: In appsettings.json, under AuthenticationSetting set Mode = "None".
Scenario B
Cause: The user is a member of too many Active Directory security groups.
Solution: Increase the MaxFieldLength and MaxRequestLength values in HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\HTTP\Parameters.