Because of cookie size, portlets fail for authless anonymous user. (#6460104)
Description:For authless anonymous user, the properties are stored in a cookie. This includes all portlet render arguments, all desktop arguments, and so on. When the render arguments reach a certain size, the portlets fail.
Solution:Do the following:
Log in to amconsole.
Click Service Configuration > Client Detection.
In the Client Detection screen, click the Edit link displayed with the Client Types field.
In the Client Manager pop-up window, go to the third page.
Click the Edit link displayed with genericHTML.
In the pop up window, select Additional Properties option and add the property, authlessState=server.