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Updates

The DataRelay Link product version and bundled Relay Engine version are separate.

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Server

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Agent Host

Use the built-in product update command. Review the proposed version and restart impact, preserve a Server backup, and verify services after completion. A normal upgrade must preserve Managed Host/Agent identity, enrollment trust, Remote Service identity, endpoint reservations, control-plane state, policies, and release provenance. The Server state is stored in SQLite at /var/lib/drlink/drlink.db; schema changes use ordered migrations with integrity validation.
Last modified on October 28, 2026