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PRB: Connectivity Issue with MDAC and
Oracle8i
The information in this article applies to:
• Microsoft OLE DB Provider for Oracle, versions 2.5, 2.6
• Microsoft ODBC for Oracle (Build 2.573.2927), version 2.5
• Microsoft Data Access Components versions 2.5, 2.5 SP1, 2.6
SYMPTOMS
When you attempt to connect to an Oracle 8i database by using the Oracle 8i client
and the Microsoft Oracle ODBC Driver (MSORCL32.DLL) version 2.573.4403 or the
MS Oracle Provider (MSDAORA.DLL) version 2.50.4403.0 (both installed with
Microsoft Data Access Components (MDAC) 2.5), you may receive the following error
message:
Error: "SQLSTATE: NA000
Native error code: 0
Driver Message: [Microsoft][ODBC Driver for Oracle][Oracle]
Do you need any suggestions to avoid the error?"
CAUSE
Different registry entries are necessary to ensure that various Oracle OCI versions
operate correctly. To enable the OLE DB Provider or the ODBC Driver for Oracle to
work with Oracle client software, the client's registry must be modified. The MDAC
2.5 installation may not register the required registry entries.
RESOLUTION
IMPORTANT: This article contains information about editing the registry. Before you
edit the registry, make sure you understand how to restore it if a problem occurs.
For information about how to do this, view the "Restoring the Registry" Help topic in
Regedit.exe or the "Restoring a Registry Key" Help topic in Regedt32.exe.
WARNING: Using Registry Editor incorrectly can cause serious problems that may
require you to reinstall your operating system. Microsoft cannot guarantee that
problems resulting from the incorrect use of Registry Editor can be solved. Use
Registry Editor at your own risk.
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