Symptom
The SAP application server (running on Windows) fails to start. The dev_w* trace contains the following error messages:
M Mon Aug 18 14:44:13:307 2025
M SosRegisterSem: add sem >97<
M ThrRegisterSem: initialized semaphore 97
M calling db_connect ...
B Loading DB library 'I:\usr\sap\SID\D00\exe\dbhdbslib.dll' ...
M *** ERROR => DlLoadLib()==DLENOACCESS - LoadLibrary("I:\usr\sap\SID\D00\exe\dbhdbslib.dll")
Error 53 = "ネットワーク パスが見つかりません。" [dlnt.c 322]
B *** ERROR => Couldn't load library 'I:\usr\sap\SID\D00\exe\dbhdbslib.dll'
[dbcon.c 7086]
M ***LOG R19=> ThDbConnect, db_connect ( DB-Connect 008192) [thDatabase.c 88]
M in_ThErrHandle: 1
M *** ERROR => ThInit: db_connect (step TH_INIT, thRc ERROR-DB-CONNECT_ERROR, action STOP_WP, level 1) [thxxhead.c 2783]
Action taken:
- Verified that the library
I:\usr\sap\SID\D00\exe\dbhdbslib.dllexists and is accessible. - Confirmed that the file attributes, especially security-related settings, are correctly configured.
- Checked KBA 2657463, which does not apply.
- Used Process Monitor to track "R3trans -d".
"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."
Couldn't load library""> Read more...
Environment
- SAP HANA, platform edition 2.0
- SAP System running on Windows Server
Product
SAP HANA, platform edition 2.0
Keywords
ABAP instance, disp+work.EXE, dbhdbslib.dll, ERROR => DlLoadLib()==DLENOACCESS - LoadLibrary, Loading DB library, db_connect , KBA , HAN-DB , SAP HANA Database , Problem
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