I recently installed EXG07 (french)I have version 8.2 (build 176.2)Iran some test using "Best practices analyser"It tells me that some groups don't havecertain access to OAB folderAdministrators = full controlentreprise Administrators = read onlyAuthenticated users = read onlyI keep checking and they do have the required permissionsSo, is this only ainformal warning or is there something wrong here????

Its looking that you have updated CAS server with SP2.Please have a look of below Link to resolve this.A security group does not have sufficient rights to an OAB folder:http://technet.microsoft.com/en-us/library/dd535384.aspxAnil

Hi, I've been on that document several times before posting my message here I have the required security for each group that's why I'm looking for answer Fabien Poirier

I had the same problem. You have create a new OAB and delete the old OAB.I have speaked with one engineering of Microsoft and he said me how repair it.http://technet.microsoft.com/en-us/library/bb124270.aspx