*Warning DO NOT upgrade existing WSS 2.0 site to WSS 3.0!! Install WSS 3.0 side by side**This is not supported by MicrosoftPrerequisites:

Step 1 – Installation of Windows SharePoint Services 3.0

  • After downloading WSS 3.0 launch SharePoint.exe-*Select “No, do not upgrade at this time
  • Click on the “Data Location” Tab (click “Browse” to select the location of the data)
  • Click Install Now
  • When complete make sure the “Run the SharePoint Products and Technologies Configuration Wizard now” is checked and click Close
  • Click Next and accept the Service Restart warning message and let it finish all 10 tasks
  • Click Finish

Step 2 – Change the new site to resolve “intranet” during transition

  • Add a hostname in DNS with the name Intranet and the IP of the SBS (ping intranet to confirm name resolution)
  • Open SharePoint 3.0 Central Administration, and click on the Application Management tab.
  • Under the SharePoint Web Application Management section, click on Create or extend Web application.
  • Click to Extend existing web application.
  • On the page that opens, click on the Web Application field and select Change Web Application. 
  • On the page that opens, select your SharePoint Web Application. 
  • In the IIS Web Site section, select the option to create a new web site.
  • Enter a description for the new site (e.g.  Intranet)
  • In the Port field, enter 80
  • In the Host Header field, enter   intranet
  • Click OK.
  • Verify that http://intranetopens/opens the new SharePoint Site-Return to the SharePoint 3.0 Central Administration and click on the Application Management tab.
  • Under the SharePoint Web Application Management section, click on Remove SharePoint from IIS WebSite-In the Web Application section, verify that the web application is http://servername
  • In the Deletion Options section, verify that the IIS Website is set to SharePoint – 80 (Default)
  • Select the option to Delete IIS Web sites-Click OK
  • Open IIS Manager, expand [servername] and expand web sites.  Select the default web site and click the Start button