Microsoft Internet Information Services versions 4.0 to 6.0
- Open Internet Service Manager or Internet Information Services (IIS) Manager.
- If necessary, expand the Web server that you want, and then expand Web Sites.
- Right-click the Web site that you want to change.
- Click Properties.
- Click the Web Site tab.
- Change the TCP Port Number in the TCP Port edit box (or click Advanced for multiple Port settings).
- Click OK to save the changes.