3782516 - Backint exited with exit code 1 instead of 0. console output: Authentication error. Hresult: 0xffffffff

• HANA Tenant database and log backups are failing in error in according to the local 'backup.log' file :
  
  

  2026-07-05T16:46:04+05:30  P0174612      19f31fe1d06 INFO    BACKUP   SAVE DATA started [1783250164998]
  2026-07-05T16:46:04+05:30  P0174612      19f31fe1d06 INFO    BACKUP   command: BACKUP DATA FOR SID USING FILE ('/hana/backup/SID_Data/DB_SID/SID_TENANTDB_05JULY26') ASYNCHRONOUS
  
  2026-07-05T16:47:50+05:30  P0174612      19f31fe1d06 INFO    BACKUP   progress of service: indexserver, hostname:30003, volume: 2, 5% 114890375168/2296297553920
  2026-07-05T16:49:17+05:30  P0174612      19f31fe1d06 INFO    BACKUP   progress of service: indexserver, hostname:30003, volume: 2, 10% 229780750336/2296297553920
  
  2026-07-05T17:14:15+05:30  P0174612      19f31fe1d06 INFO    BACKUP   progress of service: indexserver, hostname:30003, volume: 2, 95% 2182917128192/2296297553920
  2026-07-05T17:15:41+05:30  P0174612      19f31fe1d06 INFO    BACKUP   progress of service: indexserver, hostname:30003, volume: 2, 100% 2296297553920/2296297553920
  2026-07-05T17:15:42+05:30  P0174612      19f31fe1d06 INFO    BACKUP   state of service: indexserver, hostname:30003, volume: 2, BackupExecuteDataBackupFinished
  2026-07-05T17:15:42+05:30  P0174612      19f31fe1d06 INFO    BACKUP   state of service: indexserver, hostname:30003, volume: 2, BackupExecuteDataBackupFinished
  2026-07-05T17:15:44+05:30  P0174612      19f31fe1d06 ERROR   BACKUP   SAVE DATA finished with error: 
  
  2026-07-05T17:23:07+05:30  P0174612      19f321fda66 INFO    LOGBCKUP progress of service: indexserver, hostname:30003, volume: 2, 100% 16454205440/16454205440
  2026-07-05T17:23:07+05:30  P0174612      19f321fda66 INFO    LOGBCKUP state of service: indexserver, hostname:30003, volume: 2, BackupLogSuccess
  2026-07-05T17:23:07+05:30  P0174612      19f322005ea INFO    LOGBCKUP state of service: indexserver, hostname:30003, volume: 0, BackupExecuteCatalogBackupInProgress
  2026-07-05T17:23:07+05:30  P0174612      19f322005ea INFO    LOGBCKUP to backint: /usr/sap/SID/SYS/global/hdb/backint/DB_SID/log_backup_0_0_0_0
  2026-07-05T17:23:10+05:30  P0174612      19f32200fbe INFO    LOGBCKUP to file: /hana/backup/SID_Log/DB_SID/log_backup_4_0_2819957120_2819961792.1783252389822
  2026-07-05T17:23:10+05:30  P0174612      19f322005ea INFO    LOGBCKUP state of service: indexserver, hostname:30003, volume: 0, BackupExecuteCatalogBackupError
  2026-07-05T17:23:10+05:30  P0174612      19f322005ea INFO    LOGBCKUP state of service: indexserver, hostname:30003, volume: 0, BackupError

• An authentication failure occurs when processing the final steps at the end of the backup. Indexserver and backint.log files show the following :
  
  

    [179747]{-1}[-1/-1] 2026-07-05 17:15:44.021218 e Backup           BackupMgr_ExecutorJob.cpp(00105) : Error executing indexserver local job BackupSaveCatalog@hostname:30003: exception  1: no.110507  (unknown file:0) TID: 179747
      Backint exited with exit code 1 instead of 0. console output: Authentication error. Hresult: 0xffffffff. 
  exception throw location:
     0: 0x00007fff9d5e103c in Backup::BackupExe_Response::getException(ltt::auto_object<ltt::exception>&, char const*) const+0x1a8 at Backup/Executor/impl/BackupExe_Response.cpp:261 (libhdbbackup.so)
     1: 0x00007fff9d5534e8 in Backup::BackupMgr_ExecutorJob::run(Execution::Context&, Execution::JobObject&)+0x234 at Backup/Manager/impl/BackupMgr_ExecutorJob.cpp:152 (libhdbbackup.so)
     2: 0x00007fff7b69bdf4 in Execution::JobObjectImpl::run(Execution::JobWorker*)+0x1450 at Basis/Execution/impl/JobExecutorRunJob.cpp:811 (libhdbbasis.so)
     3: 0x00007fff7b69e710 in Execution::JobWorker::runJob(ltt::smartptr_handle<Execution::JobObjectForHandle>&)+0xe5c at Basis/Execution/impl/JobExecutorThreads.cpp:360 (libhdbbasis.so)
     4: 0x00007fff7b6a415c in Execution::JobWorker::run(Execution::ThreadRC&)+0x1d78 at Basis/Execution/impl/JobExecutorThreads.cpp:1515 (libhdbbasis.so)
     5: 0x00007fff7b6f9720 in Execution::Thread::staticMainImp(Execution::Thread*)+0x61c at Basis/Execution/impl/Thread.cpp:613 (libhdbbasis.so)
     6: 0x00007fff7b6fa430 in Execution::pthreadFunctionWrapper(Execution::Thread*)+0x26c at Basis/Execution/impl/ThreadInterposition.cpp:687 (libhdbbasis.so)
     7: 0x00007fff7adf96a8 in start_thread+0xf4 (libpthread.so.0)
  
  [179747]{-1}[25/-1] 2026-07-05 17:15:44.020086 e Backup           BackupExecutor.cpp(00580) : executeBackup: caught exception waiting for backint connection: exception  1: no.110507  (Backup/Destination/Backint/impl/BackupDestBackint_Executor.cpp:255) TID: 179747
      Backint exited with exit code 1 instead of 0. console output: Authentication error. Hresult: 0xffffffff. 
  exception throw location:
     0: 0x00007fff9d6d33f0 in Backup::BackupDestBackint_Executor::waitForBackintTermination(Backup::BackupDestBackint_Job&, unsigned long)+0x43c at Backup/Destination/Backint/impl/BackupDestBackint_Executor.cpp:255 (libhdbbackup.so)
     1: 0x00007fff9d61cad0 in Backup::BackupExe_BackintHandlerImpl::waitForBackintTermination(unsigned long)+0x21c at Backup/Executor/impl/BackupExe_BackintHandlerImpl.cpp:477 (libhdbbackup.so)
     2: 0x00007fff9d61c664 in Backup::BackupExe_BackintHandlerImpl::waitForBackintConnection(bool)+0x210 at Backup/Executor/impl/BackupExe_BackintHandlerImpl.cpp:419 (libhdbbackup.so)
     3: 0x00007fff9d5d7a80 in Backup::Executor::BackupExecutor::executeBackup()+0x23c at Backup/Executor/impl/BackupExecutor.cpp:580 (libhdbbackup.so)
     4: 0x00007fff9d606418 in Backup::BackupExecutorContext::executeBackup(Backup::ManagedDestinationsImpl<Backup::BackupDest_Destination, true> const&, unsigned long, unsigned long, ltt::basic_string<char, ltt::char_traits<char>, 39ul> const&, ltt::basic_string<char, ltt::char_traits<char>, 39ul> const&, unsigned long, unsigned long, unsigned long&, ltt::guid&, ltt::basic_string<char, ltt::char_traits<char>, 39ul> const&, Backup::HostInformation const&, ltt::basic_string<char, ltt::char_traits<char>, 39ul> const&, Backup::Executor::BackupType, Backup::BackupCommon::BackupType, bool, bool, bool)+0x374 at Backup/Executor/impl/BackupExecutorContext.cpp:361 (libhdbbackup.so)
     5: 0x00007fff9d606c68 in Backup::BackupExecutorContext::executeBackup(Backup::ManagedDestinationsImpl<Backup::BackupDest_Destination, true> const&, unsigned long, unsigned long, ltt::basic_string<char, ltt::char_traits<char>, 39ul> const&, ltt::basic_string<char, ltt::char_traits<char>, 39ul> const&, unsigned long, unsigned long, unsigned long&, ltt::guid&, ltt::basic_string<char, ltt::char_traits<char>, 39ul> const&, Backup::HostInformation const&, ltt::basic_string<char, ltt::char_traits<char>, 39ul> const&, Backup::Executor::BackupType, Backup::BackupCommon::BackupType, bool)+0x64 at Backup/Executor/impl/BackupExecutorContext.cpp:392 (libhdbbackup.so)
     6: 0x00007fff9d86697c in Backup::(anonymous namespace)::executeBackupImpl(Backup::(anonymous namespace)::ExecuteBackupCommonArgs, Backup::ManagedDestinationsImpl<Backup::BackupDest_Destination, true> const&, Backup::Executor::BackupType, ltt::optional<ltt::basic_string_view<char, ltt::char_traits<char> > >) [clone .constprop.0] [clone .isra.0]+0x3b8 at Backup/Executor/impl/BackupExe_RequestHandler.cpp:146 (libhdbbackup.so)
     7: 0x00007fff9d5b43cc in Backup::BackupExe_RequestHandler::saveCatalog(Backup::BackupExe_Request&, Backup::BackupExe_Response&)+0x438 at Backup/Executor/impl/BackupExe_RequestHandler.cpp:208 (libhdbbackup.so)
     8: 0x00007fff9d5a6a6c in Backup::BackupExe_RequestHandler::handleRequest(Backup::BackupExe_Request&, Backup::BackupExe_Response&, Backup::BackupCbc_Federation*)+0x378 at Backup/Executor/impl/BackupExe_RequestHandler.cpp:331 (libhdbbackup.so)
     9: 0x00007fff9d553558 in Backup::BackupMgr_ExecutorJob::run(Execution::Context&, Execution::JobObject&)+0x2a4 at Backup/Manager/impl/BackupMgr_ExecutorJob.cpp:134 (libhdbbackup.so)
    10: 0x00007fff7b69bdf4 in Execution::JobObjectImpl::run(Execution::JobWorker*)+0x1450 at Basis/Execution/impl/JobExecutorRunJob.cpp:811 (libhdbbasis.so)
    11: 0x00007fff7b69e710 in Execution::JobWorker::runJob(ltt::smartptr_handle<Execution::JobObjectForHandle>&)+0xe5c at Basis/Execution/impl/JobExecutorThreads.cpp:360 (libhdbbasis.so)
    12: 0x00007fff7b6a415c in Execution::JobWorker::run(Execution::ThreadRC&)+0x1d78 at Basis/Execution/impl/JobExecutorThreads.cpp:1515 (libhdbbasis.so)
    13: 0x00007fff7b6f9720 in Execution::Thread::staticMainImp(Execution::Thread*)+0x61c at Basis/Execution/impl/Thread.cpp:613 (libhdbbasis.so)
    14: 0x00007fff7b6fa430 in Execution::pthreadFunctionWrapper(Execution::Thread*)+0x26c at Basis/Execution/impl/ThreadInterposition.cpp:687 (libhdbbasis.so)
    15: 0x00007fff7adf96a8 in start_thread+0xf4 (libpthread.so.0)
    
   
  2026-07-05 17:23:10.584 backint started:
    command: /usr/sap/SID/SYS/global/hdb/opt/hdbbackint -f backup -i /var/tmp/hdbbackint_SID.ykxdqv -o /var/tmp/hdbbackint_SID.uroTAw -u SID -s 1783252390507 -c 1 -l LOG
    pid: 189116
    input:
    #SOFTWAREID "backint 1.04" "HANA HDB server 2.00.085.00.1745328351"
    #PIPE "/usr/sap/SID/SYS/global/hdb/backint/DB_SID/log_backup_0_0_0_0"
  2026-07-05 17:23:12.085 backint terminated:
    pid: 189116
    exit code: 1
    output:
    exception: 
    exception  1: no.110507  (Backup/Destination/Backint/impl/BackupDestBackint_Executor.cpp:255)
        Backint exited with exit code 1 instead of 0. console output: Authentication error. Hresult: 0xffffffff.

SAP HANA Platform Edition 2.0

KBA , HAN-DB-BAC , SAP HANA Backup & Recovery , HAN-DB-PER , SAP HANA Database Persistence , Problem