In an Informatica 8.1.1 lookup transfromation we are unable to select (check) Recache from Lookup Source even when Lookup Caching is enabled.

Recache from Lookup Source can be selected only when "Lookup cache Persistent" is checked but this option is not desired.

I have checked the site and latest Service Pack documentation to see if this has been identified as an issue, to no avail.

Any and all help appreciated
Thanks