No. It's ODBC term.

>Thanks again, Sergey. So it's an InstallShield term.
>
>>DSN - Database Source Names. It's stored ODBC configuration to access specific data source from application just using its name.
>>
>>>Thanks Sergey. Forgive my ignorance but DSN?
>>>
>>>>Sounds like setup is trying to create DSN(s) on the target PC. You have to look in the Installshield project to see which once are included.