WSUS Comparison Matrix

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