Installation and Upgrade > Windchill Installation and Configuration > Advanced Configurations > Configuring Additional Enterprise Directories > Update the PTC HTTP Server Configuration
  
Update the PTC HTTP Server Configuration
You must update the PTC HTTP Server configuration to instruct Windchill to authenticate the enterprise directory users. Modify the app-Windchill.properties file to complete the configuration, and then execute the ant -f webAppConfig.xml regenAllWebApps command. For instructions on completing this task, see Specifying Web Server Authentication.