Inventory is showing "Unknown Windows" for the Operating System on a lot of systems.
Also systems these are showing up with "No Tracking Data" in the Console.
Running a Basic Inventory on these systems brings the system back to 'Green' status with a Known OS name, and valid tracking data.
ITMS 8.x
Using the "Import Domain Membership/WINS" task found in the SMP Console under:
Actions > Discover > Import Domain Membership/WIMS
The "Import Domain Membership/WINS" task uses older APIs and is not recommended to run repeatedly in a production environment.
The recommended replacement is to use the "Import Microsoft Active Directory" task to bring in systems from AD. You'll get a lot more information from this AD Import and it doesn't cause issues with existing systems in the Console as seen here:
Actions > Discover > Import Domain Membership/WIMS
If the "Import Domain Membership/WINS" task is not being used and systems are still showing as untracked, check the following article: