Ticket 47866 - Errors after upgrading related to attribute "dnaremotebindmethod"
Bug Description: the dnaSharedConfig entries can contain "(null)" values
Fix Description: check if remoteBindDn and remoteConnProtocol are set, before
creating a vaue for teh entries.
NOTE: if these values aready have been created they have to be
deleted and the server restarted
Reviewed by: mark, thanks