WSS 3.0 SP2 Upgrade failed with an error message – Action 3.1.3.0 of Microsoft.SharePoint.Upgrade.SPIisWebSiteWssSequence failed

Applying Service Pack 2 failed with an error message. Observed the following details from the upgrade.log file. [SPIisWebSiteWssSequence] [ERROR] [7/18/2009 11:13:56 PM]: Action 3.1.3.0 of Microsoft.SharePoint.Upgrade.SPIisWebSiteWssSequence failed. [SPIisWebSiteWssSequence] [ERROR] [7/18/2009 11:13:56 PM]: The system cannot find the path specified. [SPIisWebSiteWssSequence] [ERROR] [7/18/2009 11:13:56 PM]:    at System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail)    at System.DirectoryServices.DirectoryEntry.Bind()    at System.DirectoryServices.DirectoryEntry.get_AdsObject()    at…