if ( sh.isSMB2() && dh.isSMB2() && sh.isSameTree(dh) ) {
            try {
                serverSideCopy(src, dest, sh, dh, false);
                return;
            }
            catch ( SmbUnsupportedOperationException e ) {
                log.debug("Server side copy not supported, falling back to normal copying", e);
            }
            catch ( CIFSException e ) {
                log.warn("Server side copy failed", e);