I'm attempting to grant access to a specific folder to a user; however when I
do this, I'm getting an error for another group dme\web_developers. The
error says the user/group name is not known. This group does exist and is
even the group that I belong to, that grants me acces to the RS report
server. I can't add any new users to the Report Server through the RS
interface because of this false failbure to authentic this group that already
exists on the reporting server.