Note: PackageID 6D417916-467C-46A7-A870-6D86D9345B61 refers to the assessment scan package
Error: Package {6D417916-467C-46A7-A870-6D86D9345B61} required for assessment is not available on endpoint
Error: Failed to launch assessment scan for provider: Traditional
Cause
Targeted Agent Settings policy for All Windows Servers (excluding 'Site Servers') was configured to run software deliveries from the server instead of the default, download and run locally.
Resolution
Restored the default setting in the targeted agent settings policy, software delivery tab, download and run section to, "Download and run locally"