Unnecessary services increase the attack surface of a system. Some of these services may not support the required levels of authentication or encryption or may provide unauthorized access to the system. Some protocols and services do not support required security features, such as encrypting passwords or traffic.
Uninstall "Simple TCPIP Services (i.e. echo, daytime etc)" from the system.
STIG: Server: https://www.stigviewer.com/stig/windows_server_2019/2020-06-15/finding/V-93387