Question : Software Updates Scan Agent failed on clients

Scan component (type=Microsoft Update) failed. A failure code of 16409 was returned.

The above Error recived .

Answer : Software Updates Scan Agent failed on clients

Under both options in your GPO for "Specify intranet Microsoft update service" you should have...

Http://sccm server name  <<<without ":80"

Error = 0x80244019 usually means that the virtual selfupdate folder is missing in IIS under port 80

 

You can run this command

C:%ProgramFiles%/Update Services/Setup/InstallSelfupdateOnPort80.vbs