WSUS Comparison Matrix

Patch Authority Ultimate 5.9 Windows Server Update Services 3
Platform Support
Support for all recent Microsoft patches Check Check
Support for legacy Microsoft patches (e.g. Office 2000) Check  
Support for third-party applications Check  
International language patch support Check Check
Response time to new patch availability 24 hours (assuming patch passes QA) 24 hours
Scanning and Patching
Agent-based scan and patch Check Check
Agent configuration options Extensive Limited
Agent deployment methods Automated or manual deployment Group Policy
Agent-less scan and patch Check  
Instant, on-demand scan and patch Check  
Patch rollback Check  
Patch scan assessment method options Thorough Basic
Setup
Set up and begin patching in 15 minutes Check  
Distribution servers Check Check
Sources for computer grouping Active Directory, IP, address/range Active Directory
Reporting
Reports provided 33 7
Reporting roll-up Check Check
Report export formats CSV, TSV, XML, HTML, RTF and PDF PDF and XLS
Automated delivery of reports Check