One need to perform below mentioned steps to install FrontPage server extension on Windows 2003 server:
1) Open Control panel - Windows 2003 server.
2) Click on Add/Remove Programs.
3) Click on Add/Remove Windows Components.
4) Click on Application server -> Click on details.
5) Click on Internet Information Services [IIS] -> Click on details.
6) select the checkbox against the ‘FrontPage 2000 server extensions’.
7) Click on OK.
8) During the install process it will ask for Windows installation CD, put it in CD-ROM and the install will continue.
9) Click on Finish.