"Checked for relevance on 06-FEB-2009"

Problem Description
-------------------

When running an application using any of the following versions of the Oracle
client software for Windows

    o Oracle9i Release 2 (9.2.0.1.0, 9.2.0.2.0, 9.2.0.3.0)
    o Oracle10g Release 1 (10.1.0.2.0)
    o Oracle10g Release 2 (10.2.0.1.0, 10.2.0.2.0) (see note below)

NOTE: If experiencing any of the errors below on Oracle10g Release 2 client
      software please apply SOLUTION 2 ONLY. SOLUTION 1 does NOT apply in
      this case.

and you attempt to connect to an Oracle database through an environment that
uses the "Authenticated User" group

    NOTE: This typically occurs when running applications from inside
          Microsoft's Internet Information Server (IIS) that connect to Oracle

and you are using any of these programmatic interfaces from your application

    1. Oracle Provider for OLE DB
    2. Microsoft OLE DB Provider for Oracle
    3. Oracle ODBC Driver
    4. Microsoft ODBC for Oracle
    5. Oracle Objects for OLE (OO4O)
    6. Microsoft .NET Framework Data Provider for Oracle
    7. Oracle Data Provider for .NET (ODP.NET)

you may receive one of the following errors:

   (1) Oracle Provider for OLE DB

       (a) Error Type: Microsoft OLE DB Service Components (0x80070005)

           Access is denied.

       (b) OraOLEDB.Oracle Provider is not registered on the local machine

       (c) SQL Server Enterprise Manager (Using a Linked Server)

           Error 7311: Could not obtain the schema rowset from OLE DB provider
             'UNKNOWN'. The provider supports the interface, but returns
             failure code when it is used.

           OLE DB error trace [OLE/DB Provider 'UNKNOWN'
             IDBSSchemaRowset::GetRowset returned 0x80040e37: ].

       (d) OLEDBException: TNS-12154: TNS could not resolve service name

       (e) Run-time error '3706':

           Provider cannot be found. It may not be properly installed.

   (2) Microsoft OLE DB Provider for Oracle

       (a) Error Type: Microsoft OLE DB Provider for Oracle (0x80004005)

           Oracle client and networking components were not found. These
           components are supplied by Oracle Corporation and are part of the
           Oracle Version 7.3.3 or later client software installation. Provider
           is unable to function until these components are installed.

       (b) Error Type: Microsoft OLE DB Provider for Oracle (0x80004005)

           Oracle error occurred, but error message could not be retrieved
           from Oracle.

       (c) SQL Server Enterprise Manager (Using a Linked Server)

           Error 7399: OLE DB Provider 'MSDAORA' reported an error.

   OLE DB error trace [OLE/DB Provider 'MSDAORA'
             IDBInitialize::Initialize returned 0x80004005: ].

   (3) Oracle ODBC Driver

       (a) Error Type: Microsoft OLE DB Provider for ODBC Drivers (0x80004005)

           Specified driver could not be loaded due to system error 5 (Oracle
           in OraHome92).

       (b) Microsoft OLE DB Provider for ODBC Drivers (0x80004005)
           [Microsoft][ODBC Driver Manager] Data source name not found and
           no default driver specified

       (c) SQLSTATE: IM004
           Native Error Code: 0
           Driver Message: [Microsoft][ODBC Driver Manager] Driver's
           SQLAllocHandle on SQL_HANDLE_ENV failed.

   (4) Microsoft ODBC for Oracle

       (a) The Oracle(tm) client and networking components were not found.
           These components are supplied by Oracle Corporation and are part
           of the Oracle Version 7.3 (or greater) client software installation.

           You will be unable to use this driver until these components have
           been installed.

       (b) Error number: -2147467259

           Error Description: [Microsoft][ODBC Driver Manager] Driver's
           SQLAllocHandle on SQL_HANDLE_ENV failed

   (5) Oracle Objects for OLE

       (a) while using a GLOBAL.ASA file

           Error Type: Active Server Pages (0x0)

           An error occurred while creating object 'OraSession'.

       (b) not using a GLOBAL.ASA file

           Error Type: Microsoft VBScript. runtime (0x800A0046)

           Permission denied: 'CreateObject'

   (6) Microsoft .NET Framework Data Provider for Oracle

       (a) System.DllNotFoundException: Unable to load DLL (oci.dll).
           at System.Data.OracleClient.DBObjectPool.GetObject(Boolean&
             isInTransaction)
           at System.Data.OracleClient.OracleConnectionPoolManager.
             GetPooledConnection(String encryptedConnectionString,
             OracleConnectionString options, Boolean& isInTransaction)
           at System.Data.OracleClient.OracleConnection.OpenInternal
             (OracleConnectionString parsedConnectionString, Object transact)
           at System.Data.OracleClient.OracleConnection.Open()
           at WCWSItemAvailability.ETAAvailability.SingleAvailability(String
             ItemNumber, String BusinessUnit, Int32 OrderQty, Int32&
             AvailableQty, Int32& OnHandQty, String& ETADate, Int32& Error)
           at WCWSItemAvailability.ETAAvailability.XMLAvailability(String
             XMLInput)

       (b) Server Error in '' Application.

           Could not create an environment: OCIEnvCreate returned -1.

           Description: An unhandled exception occurred during the execution of
           the current web request. Please review the stack trace for more
           information about the error and where it originated in the code.

           Exception Details: System.Exception: Could not create an environment:
                              OCIEnvCreate returned -1.
           Stack Trace:

             [Exception: Could not create an environment: OCIEnvCreate returned
               -1.]
             System.Data.OracleClient.DBObjectPool.GetObject(Boolean&
               isInTransaction) +467
             System.Data.OracleClient.OracleConnectionPoolManager.
               GetPooledConnection(String encryptedConnectionString,
               OracleConnectionString options, Boolean& isInTransaction) +165
             System.Data.OracleClient.OracleConnection.OpenInternal
               (OracleConnectionString parsedConnectionString, Object transact)
               +836
             System.Data.OracleClient.OracleConnection.Open() +32

       (c) Unable to find entry point named OCIEnvCreate in OCI.DLL

   (7) Oracle Data Provider for .NET (ODP.NET)

       (a) ORA-01012: not logged on

       (b) ORA-12154 "TNS:could not resolve service name"

       (c) System.TypeInitializationException: The type initializer for
           'Oracle.DataAccess.Client.OracleConnection' threw an exception. ---&gt
             Oracle.DataAccess.Client.OracleException The provider is not
              compatible with the version of Oracle client at
               Oracle.DataAccess.Client.OracleInit.Initialize()
                at Oracle.DataAccess.Client.OracleConnection..cctor()

   (8) Other miscellaneous errors

       (a) The Specified Module Could Not Be Found

       (b) ORA-00604: error occurred at recursive SQL level 1
           ORA-12705: invalid or unknown NLS parameter value specified

       (c) Unable to load DLL (OraOps9.dll):
           ...
           [DllNotFoundException: Unable to load DLL (OraOps9.dll).]

       (d) System Error 998 trying to run ASP page

       (e) Your OCI application returns a -1 when calling OCIEnvCreate

       (f) You receive an Access Violation Exception from OraGeneric9.dll when
           trying to write to memory.

Solution Description
--------------------

NOTE: This problem DOES NOT exist in the Oracle10g Release 2 (10.2.0.1.0) and
       later client software for Windows. If you think you are are running
       into a similar issue on 10.2.0.1.0 or later software, please see the
       "References" section below for other possible solutions.

There are two ways to resolve this problem:

SOLUTION 1 - If you must remain on the current version of the client software
               this solution will step you through the manual process for
               fixing the permissions problem.

SOLUTION 2 - If you are able to patch your client software to a later version
               this solution will advise you on what patch to apply to resolve
               this problem.

        NOTE - If you are using the Oracle10g Instant Client you MUST follow
               SOLUTION 1.

SOLUTION 1
==========

Oracle Client software requires that you give the Authenticated User
privilege to the Oracle Home by following these steps:

   1. Log on to Windows as a user with Administrator privileges.

   2. Launch Windows Explorer from the Start Menu and and navigate to the
       ORACLE_HOME folder. This is typically...

         - the "Ora92" folder under the "Oracle" folder
           (i.e. D:\Oracle\Ora92) in Oracle9iR2

           or

         - the "Client_1" folder under the "Oracle\product\10.1.0" folder
           (i.e. D:\Oracle\product\10.1.0\Client_1) in Oracle10gR1

           or

         - the "Db_1" folder under the "Oracle\product\10.1.0" folder
           (i.e. D:\Oracle\product\10.1.0\Db_1) in Oracle10gR1

   3. Right-click on the ORACLE_HOME folder and choose the "Properties" option
       from the drop down list. A "Properties" window should appear.

   4. Click on the "Security" tab of the "Properties" window.

       NOTE: If you are running Windows XP and do not have a "Security" tab
             please do the following:

             (a) Open "Folder Options" in your Control Panel.
             (b) Choose the "View" tab.
             (c) Under "Advanced Settings" uncheck the option "Use simple file
                 sharing (Recommended)".

             The "Security" tab should now be available.

   5. Click on "Authenticated Users" item in the "Name" list (on Windows XP
       the "Name" list is called "Group or user names").

   6. Uncheck the "Read and Execute" box in the "Permissions" list under the
       "Allow" column (on Windows XP the "Permissions" list is called
       "Permissions for Authenticated Users").

   7. Re-check the "Read and Execute" box under the "Allow" column (this is
       the box you just unchecked).

   8. Click the "Advanced" button and in the "Permission Entries" list make
       sure you see the "Authenticated Users" listed there with:

           Permission = Read & Execute
             Apply To = This folder, subfolders and files

       If this is NOT the case, edit that line and make sure the "Apply onto"
       drop-down box is set to "This folder, subfolders and files". This
       should already be set properly but it is important that you verify this.

   9. Click the "Ok" button until you close out all of the security properties
       windows. The cursor may present the hour glass for a few seconds as it
       applies the permissions you just changed to all subfolders and files.

10. You must REBOOT YOUR COMPUTER to assure that these changes have taken
       effect. Failure to do this can prevent this procedure from working!

11. Re-execute the application and it should now work.

NOTE: If the problem is still present after following steps 1-11 and
        rebooting your computer in step 10 you should perform. the following
        two additional permissions settings at step 8 as described below.

        This may be necessary due to permissions that have been configured
        beyond the standard permissions setup when the OS was originally
        installed:

12. If the problem is still present, go back through these same 11 steps
       above, but when performing step 8 additionally check both boxes entitled

          "Inherit from parent the permission entries that apply to child
           objects. Include these with entries explicitly defined here."

             AND

          "Replace permission entries on all child objects with entries shown
           here that apply to child objects"

       AND be sure to reboot in step 10.

SOLUTION 2
==========

9.2.0.1.0, 9.2.0.2.0, 9.2.0.3.0

If you are running Oracle9i Release 2 (9.2.0.1.0 or 9.2.0.2.0 or 9.2.0.3.0)
client software please apply the following 9.2.0.4.0 patch OR LATER:

    * Patch Number: 3095277
      Description: 9.2.0.4 PATCH SET FOR ORACLE DATABASE SERVER
      Product: Oracle Database Family
      Release: Oracle 9.2.0.4
      Platform. Microsoft Windows (32-bit)
      Last Uploaded: 11-SEP-2003
      Size: 256M (269101182 bytes)

10.1.0.2.0

If you are running Oracle10g Release 1 (10.1.0.2.0) client software please
apply the following 10.1.0.3.0 patch OR LATER (i.e. 10.1.0.x.x):

    * Patch Number: 3761843
      Description: 10.1.0.3 PATCH SET FOR ORACLE DATABASE SERVER
      Product: Oracle Database Family
      Release: Oracle 10.1.0.3
      Platform. Microsoft Windows (32-bit)
      Last Uploaded: 22-AUG-2004
      Size: 447M (469761432 bytes)

10.2.0.1.0, 10.2.0.2.0

If you are running Oracle10g Release 2 (10.2.0.1.0 or 10.2.0.2.0) client
software please apply the following 10.2.0.3.0 patch OR LATER
(i.e. 10.2.0.x.x):

    * Patch Number: 5337014
      Description: 10.2.0.3 PATCH SET FOR ORACLE DATABASE SERVER
      Product: Oracle Database Family
      Release: Oracle 10.2.0.3
      Platform. Microsoft Windows (32-bit)
      Last Uploaded: 21-FEB-2007
      Size: 852M (893831865 bytes)

* NOTE: Although these patches appear to be database-only patches they can
          also be applied to the client software as well. See the patch
          release notes for more information on how to install the patch onto
          client software.

Explanation
-----------

If you install Oracle9i Release 2 (9.2.0.1.0) or Oracle10g Release 1
(10.1.0.2.0) client software on a computer running Windows with an NTFS
partition, the contents of ORACLE_HOME directory will not be visible to users
who are authenticated on that machine. These permissions were not set properly
when the software was installed.

Applications that were working fine with previous versions of Oracle software
will stop working when they upgrade to Oracle 9.2 or 10.1.

NOTE: The application will continue to work if it runs as the Administrator
        of the machine.

Any application that is using the Authenticated User or possibly another
privilege will not work. A notable example would be IIS which might service
some of the requests based on the Authenticated User privileges.

To demonstrate the problem in further detail, you can log on to the operating
system as an authenticated machine user. You won't be able browse the contents
of the ORACLE_HOME directory demonstrating your inability to load any Oracle
DLLs or make a connection.

Additional Information
----------------------

The above error messages may not only be encountered when using Oracle 9.2 or
10.1 client software but may also exist when running into general permissions
issues using third party products accessing Oracle on a Windows platform.

Unable to Connect to Database with Oracle Client Software for Windows

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