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From NUUO Wiki

This error means thath recycling is not working, please follow the steps to diagnose this problem:

1.) Check your software version.

• If your dongle is IP dongle, please upgrade to 2.8.2.

• If your dongle is IP+ dongle or your product model is DVR series, please upgrade to 3.3.11.

2.) check the setting and configuration:

• Make sure the auto recycle option is enabled in Main Console setting.

• Make sure auto login, auto startup of Main Console and schedule are enabled in Main Console setting.

• Remove NOD 32 if NOD32 is installed since it will generate a large number of log files (.tmp files) which consumes a large amount of hard drive space and may cause recording to stop.

• Do not adjust the system clock after recording is started.

• Do not unplug removable disk when system is recording.

• Check if any quota limit is set in your hard drive.

• Check if the hard drive is set as “read only” or if a folder named “1” exists.

• Check if the hard drive is damaged or there are bad sectors inside.

• Make sure you are not using a network hard drive.

3.) If system stops recording due to insufficient hard drive space:

• Check and make sure that the recording paths are the same in FileRecord.ini and Storage location.

• Remove the oldest few day video folders or move them to other hard drive.

• Check dberr.log (it can be found in NUUO installation folder). If there are a lot of errors of Eventlog and Systemlog in dberr.log, and Eventlog.mdb and Systemlog.mdb is oversized caused by extremely frequent events or scheduler is set as record on motion while the cameras focus on a dynamic backgroud, please make copies of EventLog.mdb and SystemLog.mdb and send to NUUO for fixing, then copy the template of EventLog.mdb and SystemLog.mdb to the installation folder of Mainconsole and overwrite the original mdb files.

• The space for system hard drive must be more than 800 MB and the space of data hard drive must be more than 500 MB for Mainconsole to run recording.

• If you still experience stop recording, please use DB tools to repair/rebuild database to re-associated recorded video.