Installing or Upgrading Web TimeSheet 30 E. Choose the web server you want to use 1.    Select the web server. The Internet Information Services (IIS) option is only available if IIS is in- stalled. For information on installing IIS, see Chapter 4, Installing IIS on page 18. 2.    Configure your web server, if required. For example, your IIS server may require post-installation configuration: • To block the transmission of plain text (unencrypted) passwords. For more information, refer to Ensuring Web TimeSheet Security on page 44. • If the installer prompts you to allow Web TimeSheet to use CGI and HTML virtual directo- ries that exist on your computer, but you do not want these directories to be used. To do this: i. Select the Web TimeSheet Web Server option ii.    Configure IIS manually after installation. For information on this, refer to Manually Configuring Internet Information Services (IIS) on page 35. For more information on configuring your web server, refer to Chapter 6, Configuring the Server after Installation on page 33.