Differences between Archivers and Auxiliary Archivers

The Archiver role and Auxiliary Archiver role differ in several characteristics.

The following table highlights the differences between the Archiver and the Auxiliary Archiver.

Characteristics Archiver role Auxiliary Archiver role
Automatic unit discovery Yes, on units that support it. No.
Command and control of Yes. No. It relies on the Archiver role.
Command encryption via secure protocols (such as HTTPS and SSL) Yes, on units that support it. Not applicable.
Recorded cameras A camera can only be associated to one Archiver role. A camera can be associated to multiple Auxiliary Archivers.
Can only record cameras with which it has a direct connection, usually on the same LAN. Can record any camera on the system, including federated cameras, but only from Security Center systems.
Recording settings Each camera has the option to follow the default role settings or its own custom settings. Each camera has the option to follow the default role settings or its own custom settings.
Recorded video stream Can only record the stream designated for Recording. Can record any video stream.
Manual recording Yes, when Manual recording schedules are in effect. No, although Manual recording schedules can be configured.
Event logging in database Yes. The events can be searched and viewed with the Archiver events video maintenance task. Yes. The events can be searched and viewed with the Archiver events video maintenance task.
Event logging to a flat file Yes. Found in ArchiverLogs folder. No.
Database backup and restore Yes. Video files are not included. Yes. Video files are not included.
Failover support Yes. One secondary server can be added to the Archiver role. Not applicable.
Multiple copies of the video archive Yes, through redundant archiving, but the master and redundant copies are identical because they use the same recording settings. Yes. Each Auxiliary Archiver produces a different set of video archives that follow recording settings.
Video file protection Yes. Yes.
Video watermarking Yes. Yes.