![]() ![]() In CUCM Version 8.6(1), a new feature was introduced in order to restore a publisher DB from a subscriber database. Some customers did not keep proper backups, or had backups that were out-of-date, so the only option was to rebuild and reconfigure the publisher server node. In early versions of CUCM, the publisher node was regarded as the only authoritative source for the Structured Query Language (SQL) DB.Ĭonsequently, if a publisher node was lost due to a hardware failure or a file system corruption, the only way to recover it was to reinstall and restore the DB from a Disaster Recovery System (DRS) backup. This document describes how to restore the Cisco Unified Communications Manager (CUCM) publisher node from the subscriber database without prior backup or root access. ![]()
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