Troubleshooting Guide to WSUS

I have had an issue with WSUS on Windows Server 2016 which resulted into computers not reporting correctly to WSUS. Thinking that I have configured everything correctly because computers where connecting to WSUS (they targeted the right WSUS groups from the Group Policy in the WSUS Console), they where not reporting their status to WSUS. Actions Required To Troubleshoot These Issues In WSUS...