Adagio ODBC 9.0A does not work with Linked Servers.

Adagio ODBC 9.2A (2015.10.27) does work with Link Servers.

You may have both 9.0A AND 9.2A installed at the same site.

Different names are used for the Drivers (AdagioODBC and AdagioODBCV2), we did not want to break Crystal Reports that used ODBC 9.0A