If Internet access is available, the following command can be used to authorize ArcGIS Desktop silently using a provisioning file:"<a href="file:C:/Program" target="_blank">C:\Program</a> Files\Common Files\ArcGIS\bin\SoftwareAuthorization.exe" /LIF <a href="file:C:/file.prvc" target="_blank">C:\file.prvc</a> /s this information is documented in the Enterprise Deployment whitepaper:<a href="http://downloads2.esri.com/support/whitepapers/other_/ArcGIS_10_Enterprise_Deployment.pdf" target="_blank">http://downloads2.esri.com/support/whitepapers/other_/ArcGIS_10_Enterprise_Deployment.pdf</a>