In standby Alert log, MRP is waiting for thread 1 sequence 8084 Media Recovery Waiting for thread 1 sequence 8084 Fetching gap sequence in thread 1, gap sequence 8084-8084 Checkup:- Verify the 8084 is shipped from Primary and Received in Standby Go to archive log location in standby and see 8084 is there or not If not shipped, identified why it is not shipping in primary alert log 1. Either archive is missing, perform rollforward recovery 2. Or, Some password, configuration issue, look at the other files in excel sheet 3. Or, the archive is in backup not in location, restore the archive from backup and copy to standby 4. Sometimes we may have large network issue and we manually copy the archives to standby, as you manually copy, you must register those archives to standby controlfile sql> alter database register logfile 'archivefilename with fullpath'; And then see recovery process progressing.....