3422811 - R3trans error: The application has failed to start because its side-by-side configuration is incorrect.

An existing CI and DB reside on Unix/AIX with hostname example: (A)
You install a new dialog instance with a different hostname, example (B), on windows via Sapinst.
The sapinst_dev.log contains errors like

ERROR:     
The step start with step key |NW_DI|ind|ind|ind|ind|0|0|NW_DI_Instance|ind|ind|ind|ind|di|0|start was executed with status ERROR (Last error reported by the step: Instance <name> reached state SHUTDOWN after having state STARTING. Giving up).

R3trans is not able to connect to the database for the windows instance and issues the following error in the trans.log.
ERROR => unable to load DB2 library '\\hostname\sapmnt\<SID>\SYS\global\db6\WINDOWS_AMD64\db6_clidriver\bin\db2app64.dll'. Reason: The application has failed to start because its side-by-side configuration is incorrect. Please see the application event log or use the command-line sxstrace.exe tool for more detail.

BC-CST-STS
BC-INS
BC-DB-DB6

client, new, sapinst_dev.log, sapcpe, trans.log, startsap , KBA , BC-DB-DB6-INS , Installation SAP System , Problem