Installation and Upgrade > Installing and Configuring PTC FlexPLM > Introduction, Prerequisites, and Conventions > Updating Information from Windchill
  
Updating Information from Windchill
Any time you apply a Windchill CPS, patch, or add-on, run the following command from the <Windchill>/src/com/lcs/build/installer directory:
ant -buildfile rfainstaller2.xml postWindchillUpdates