Enable anonymous access for the Web application. To do this follow these steps: Start SharePoint 3.0 Central Administration, and then click Application Management . Under Application Security , click Authentication providers . In the Web Application box, click the arrow, click Change Web Application , and then click the Web application that you want. Under the Zone heading, click Default to open the Edit Authentication page. On the Edit Authentication page, click to select the Enable anonymous access check box, and then click Save . Enable anonymous access for the site collection. To do this, follow these steps: Open the site collection that is hosted in the Web application in the browser. Click Site Actions , and then click Site Settings . Under Users and Permissions , click Advanced permissions . Click Settings , and then click Anonymous Access . Click Lists and libraries , and then click OK . Enable anonymous access for the resource. To do this, follo...