In a Service Desk Manager (SDM) Advanced Availability (AA) environment, when a failover occurs, searching for knowledge does not work.
Service Desk Manager 17.x
Advanced Availability (AA) architecture
All Supported Operating Systems
In an Advanced Availability (AA) configuration, the following singleton processes that are associated with the Knowledge component run on the Background server:
As a result, when a failover is performed, in order for the knowledge searches to work again, it is necessary to run the "pdm_k_reindex" command on the new BG server.