How to connect one SAP system to Non-SAP system(Example:Window's7)?

Hi Experts,
    In general, One SAP system can connect another SAP system through RFC.How to  connect One SAP system  to Non-SAP system(example:window's 7) and is it possible through RFC?
Thanks and Regards,
Nageswar

Hello  Wolfgang Schaper,
Thank you so much for quick response.
As you told I am trying to work with BRFplus/DSM to call decision services from nonABAP systems,so I tried with RFC.But it is not possible as you told.
Please give any solution Without using Web Services, is there any ways to connect from SAP system  with the Non-SAP Systems.

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    Peacock
    Buchanan
    Suyama
    King
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    Dodsworth
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    (PRESENTATION = RO)
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    or
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    tnsping
    C:\Documents and Settings\Administrator>tnsping MYSQL
    TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on 06-AUG-2
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    Copyright (c) 1997, 2005, Oracle. All rights reserved.
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    ORA-02063: preceding 2 lines from MYSQLINK
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    In addition please keep in mind HSODBC has been desupported since 2008 and when starting a new configuration you should use the follow up product dg4odbc (Database Gateway for ODBC) V11.

  • Dblink oracle to postgres with dg4odbc | ORA-28500: connection from ORACLE to a non-Oracle system returned this message: ORA-02063: preceding line

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    Daniel

    Mike,
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    for HS_FDS_SHAREABLE_NAME i use /usr/lib/psqlodbc.so
    and i get this error when i call the db link(orpos)
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    ORA-28500: connection from ORACLE to a non-Oracle system returned this message:
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    for HS_FDS_SHAREABLE_NAME = /usr/lib64/psqlodbcw.so
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    ORA-28500: connection from ORACLE to a non-Oracle system returned this message:
    c
    and when i used isql isql to call DNS(PostgreSQL) is success
    whats wrong with my config?
    about PostGres ODBC did you mean postgresql-odbc-08.04.0200-1.el6.x86_64 ??
    Thank you and best regards,
    Daniel

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