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Update Classification

Microsoft updates are organized as follows:

Update Classification

Classification Type
(Non-Vista / Vista)

Included in
WSUSSCN2.CAB*

Security Updates

High Priority / Important

Includes critical, important, moderate, low, and non-rated security updates.

Yes

Critical Updates

High Priority / Important

Yes

Update Rollups

High Priority / Important

Yes

Service Packs

Optional – Software / Recommended

Typically not

Updates

Optional – Software / Recommended

No

Feature Packs

Optional – Software / Recommended

No

Tools

Optional – Software / Recommended

No

In those cases where a machine does not have Internet connectivity at the time of a machine patch scan, Kaseya uses Microsoft’s WSUSSCN2.CAB data file. Microsoft publishes this CAB file as needed. It contains a sub-set of the Microsoft Update Catalog. As seen in the table above, scan data for only the high priority updates and occasionally for service packs are included in the CAB file. The KServer automatically downloads the CAB file on a daily basis to make it available for those machines needing this type of scan. See Windows Automatic Update.