2639066 - SQL1768N Unable to start HADR, Reason Code 7

•  HADR Primary is failed to establish connection with standby and throw below error in db2diag.log
  
  2018-04-06-13.52.06.290846+120 I81285178A561 LEVEL: Error
  PID : ********* TID : ********** PROC : db2sysc 0
  INSTANCE: db2***  NODE : 000 DB : ***
  APPHDL : 0-27413 APPID: *LOCAL *********************
  AUTHID : DB2*** HOSTNAME: *****************
  EDUID : ******* EDUNAME: db2agent (***) 0
  FUNCTION: DB2 UDB, High Availability Disaster Recovery, hdrEduStartup, probe:21250
  MESSAGE : SQL1768N Unable to start HADR. Reason code = "7".
  
  
• 2018-04-06-13.52.06.316564+120 E81285740A2480 LEVEL: Event
  PID : ********* TID : ********** PROC : db2sysc 0
  INSTANCE: db2***  NODE : 000 DB : ***
  APPHDL : 0-27413 APPID: *LOCAL *********************
  AUTHID : DB2*** HOSTNAME: *****************
  EDUID : ******* EDUNAME: db2agent (***) 0
  FUNCTION: DB2 UDB, High Availability Disaster Recovery, hdrSetDbRoleAndDbType, probe:10020
  CHANGE : HADR DATABASE ROLE/TYPE -
  HADR database role set to STANDARD (was PRIMARY).
  HADR database type set to NONE (was PHYSICAL).
  CALLSTCK: (Static functions may not be resolved correctly, as they are resolved to the nearest symbol)
  [0] 0x0900000038F76EBC hdrSetDbRoleAndDbType__FP9SQLP_DBCBCUiT2 + 0x1530
  [1] 0x090000003A396C94 hdrUndoDbRoleIfNecessary__FP14sqlpMasterDbcbCUiT2 + 0x254
  [2] 0x090000003A8B1DD8 hdrEduStartup__FP16sqeLocalDatabaseP9sqeBsuEduP14sqlpMasterDbcbCbCUiT4C19hdrEduStartupActionP5sqlcaT4 + 0x3D0
  [3] 0x090000003ADE59B8 sqlpCheckToStartHadr__FP8sqeAgentP16sqeLocalDatabaseP5sqlcabUiPbT4 + 0x36C
  [4] 0x090000003ADEED9C sqlpCheckToStartHadr__FP8sqeAgentP16sqeLocalDatabaseP5sqlcabUiPbT4 + 0x4C8
  [5] 0x090000003A938954 AppStartUsing__14sqeApplicationFP8SQLE_BWAP8sqeAgentcT3P5sqlcaPc + 0x1388
  [6] 0x090000003CCB8E14 AppLocalStart__14sqeApplicationFP14db2UCinterface + 0x53C
  [7] 0x090000003CCB8854 sqlelostWrp__FP14db2UCinterface + 0x44
  [8] 0x090000003B1CBC80 sqleUCengnInit__FP14db2UCinterfaceUs + 0x268
  [9] 0x090000003CCCA888 sqleUCagentConnect + 0x420
  [10] 0x090000003CCC79F4 sqljsConnectAttach__FP13sqljsDrdaAsCbP14db2UCinterface + 0x750
  [11] 0x090000003CCC648C sqljs_ddm_accsec__FP14db2UCinterfaceP13sqljDDMObject + 0x32C
  [12] 0x090000003CCC5F34 sqljsParseConnect__FP13sqljsDrdaAsCbP13sqljDDMObjectP14db2UCinterface + 0x4C
  [13] 0x090000003B1E3354 @72@sqljsSqlam__FP14db2UCinterfaceP8sqeAgentb + 0x1130
  [14] 0x090000003B1E2F48 @72@sqljsSqlam__FP14db2UCinterfaceP8sqeAgentb + 0xD24
  [15] 0x090000003A9D7988 @72@sqljsDriveRequests__FP8sqeAgentP14db2UCconHandle + 0xA8
  [16] 0x090000003A9D849C @72@sqljsDrdaAsInnerDriver__FP18SQLCC_INITSTRUCT_Tb + 0x5FC
  [17] 0x090000003C836A88 RunEDU__8sqeAgentFv + 0x40618
  [18] 0x090000003C869974 RunEDU__8sqeAgentFv + 0x11C
  [19] 0x090000003BE56364 EDUDriver__9sqzEDUObjFv + 0x130
  [20] 0x090000003C402498 sqloEDUEntry + 0x394
  [21] 0x090000000054CE10 _pthread_body + 0xF0
  [22] 0xFFFFFFFFFFFFFFFC ?unknown + 0xFFFFFFFF

• Db2 LUW 9.7 and above
• SAP NETWEAVER 7.5 / 701
• SAP SOLUTION MANAGER 7.1
• SAP ERP 6.0

HADR, HADR_TIMEOUT, hadr_peer_window, Connection , KBA , BC-DB-DB6-DBA , Database Administration , Problem