2472239 - Error message "Authorization indexing unsuccessful" when creating search connectors or NameServer error: no servers found

You try to create search connector ABC100~SMUD_ELEMENT~ for example and it ends up with status "Authorization Update Failed". Object type SMUD_ELEMENT is only an example and these symptoms can occur for other object types.

For TREX and HANA scenario :

• In SM37 job, you can find the corresponding background job ESH_<client>_C_<hash_code> which displays the following error messages:
  Authorization indexing unsuccessful for object type SMUDKW_INFO_OBJECT - ESH_TREX_ADMIN 047
  Could not index auth data for auth check SMUDKW_INFO_OBJECT of object SMUDKW_INFO_OBJECT, node SMUD_KW_PHIO_ATTRS - ESH_TREX_ADMIN 157
  Authorization indexing unsuccessful for object type SMUDKW_INFO_OBJECT - ESH_TREX_ADMIN 047
  Authorization indexing unsuccessful for object type SMUD_ELEMENT - ESH_TREX_ADMIN 047
  Could not index auth data for auth check SMUD_ELEMENT of object SMUD_ELEMENT, node SMUD_CORE - ESH_TREX_ADMIN 157
  Error occured while trying to fill new/addded authorization indexes - ESH_TREX_ADMIN 091
  
  
• Also in the job log, the following messages can be found:
  TREX call terminated with TREX engine error. Error code: 5508
  NameServer error: no servers found
  TREX call terminated with TREX engine error. Error code: 2007
  
  

• SAP_BASIS release 7.40, 7.50, 7.51, 7.52.
• TREX or HANA DB search engine.

ESH_TREX_ADMIN 045, ESH_HANA_ADMIN 031, ESH_HANA_ADMIN 008, ESH_HANA_ADMIN 009, ESH_BOS_INDEX_CTRL 068, Authorization indexing unsuccessful, table config for index, 2007, USER_AUTHORITY, no servers found, Error code, 5508, NameServer error. , KBA , reading the model for the object type , error while reading the model , BC-EIM-ESH , NetWeaver Enterprise Search , Problem