Solution : https://service.sap.com/sap/support/notes/1250190 (SAP Service marketplace login required)
Key words :
instance owning database partition server, services file %windir%\system32\drivers\, port range entries db2_db2<dbsid>, 2009 ii error installing db2 v9, 2010 ii error installing db2 v9, include user <domain>\db2<dbsid>, symptom sap netweaver installation based, installing additional database partition, db2 update db cfg, db2_db2<dbsid>_end remain
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1329554 | DB6:Error inst. of DB2 V9.5 on Win in domain with underscore |
1249469 | SAP NetWeaver Based On Kernel 7.11: Windows |