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The data about the events registered in the system is stored in the Protocol table in Axxon PSIM the Psim database (by default) or in the Protocol table of an individual database (see the Protocol table in a separate database (see Extracting event protocol into an individual database).

The Event Viewer database is configured You can configure the database of the event viewer by means of the settings panel of the the Computer system object.Configure the Event Viewer database as follows:

1. To disable events recording event logging to the Event Viewer database of the event viewer, set the the Disable logging checkbox (1). This setting is relevant only for the Server server corresponding to the the Computer object.
   
2. If you want to log to the Event Viewer database of the event viewer only the events registered on this computer, set the the Only local protocols checkbox (2). This setting is relevant only for the Server server corresponding to the the Computer object.
   If you set this checkbox is set, then the Event Viewer database synchronization has to be started you must start the synchronization of the event viewer database manually using the SyncProtocol.exe utility or a macro (see see The SyncProtocol.exe utility to synchronize event log database and Example of macro to start the Event Viewer databases synchronization).

3. In the Events archive length field (3), specify the time period in days for storing the event archive in the Event Viewer database (3)event viewer database. This setting is relevant only for the Server server corresponding to the the Computer object. To specify the time period for storing the event archive for all Servers servers in the distributed system, use the common settings in the the Programming tab (see The Settings settings panel of the Security zone object). The value of the Events archive length parameter on the settings panel of the Computer object has the higher priority. If no value is specified in the Events archive length field on the settings panel of the Computer object, the value specified in the settings panel of the Security zone object is used.

   Info
   title Note
   The specified Events archive length is also applied to the events received by the Incident incident server , which that are stored in the PROTOCOL_INC_SERVER table of the the Psim database.

   Info
   title Note
   The process of clearing the database of the events older than the specified storage period is started by default every day at midnight. It three minutes and deletes 100,000 events every three minutes, starting with the oldest ones.

4. Click the Apply button to save the changes (4).

The events event logging to the database is now configured.

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