Solution : https://service.sap.com/sap/support/notes/1562325 (SAP Service marketplace login required)
Key words :
solution open trex admin tool, backup index/queue servers, backup index/queue servers', column 'slave index server, slave index servers, slave index servers', slave index server, user <sid>adm, improve searching performance, gain high availability
Related Notes :
| 1594907 | TREX 7.1: Cannot specify user domain when adding instance |
| 1258694 | TREX 7.1:Install TREX with Global File System (Windows) |