Provider = OraOLEDB.Oracle - provider not found after Dev Install of O8i

When I run my VB application and try to connect to the Oracle database using ADO and the
Provider = OraOLEDB.Oracle
I get the error message "Provider not found or is installed incorrectly."
This is strange as I have installed the developer version of Oracle and I can connect to the database using SQLPLUS.
Does anyone know what the problem could be?
Thanks

Hi Vincent,
Here is what you are looking for.
NOTE> Installing the 11.2.0.3 Oracle Provider for OLE DB from the Client Install Media Does Not Properly Register the Provider [ID 1380742.1]
Bug:13417266 WHILE UPGRADING TO 11.2.0.3, INSTALLER FAILS TO REGISTER ORAOLEDB DLL
Regards!
Stefanie

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Below are other information you may need:
[oracle@abg-dom-12 102]$ ls -rtl /ORACLE
total 40
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drwxr-x--- 3 oracle oracle 4096 Mar 1 13:23 admin
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Currently, I have an excel 2010 application that users on Windows XP 32 bit are using to connect to an Oracle 32-bit database and extract data back into Excel. Each time they open the Excel file, the VBA code automatically creates a new connection using Provider =ORA.OLEDB.Oracle Provider. All users using the Excel file have installed Oracle 9.2.1 run-time client on their machine. All of that works well currently for over 100+ users on Windows XP 32-bit
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Set cn = New ADODB.Connection
cn.Open ThisWorkbook.getDBCon()
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@damorgan
Yea agreed with Excel to Oracle comment. This is due to issues with global implementation of an ERP system and the disconnets between IT and Business. Therefore the business intelligence tables in oracle are most easily pulled and acted on by novice PC users via Excel. In the business, Excel is the standard tool novice non-IT people feel comfortable in to share and act on data. Most of these users have no IT knowledge whatsoever, so we create buttons and filters for them to query and then massage in Excel as they see fit.
Having said that, still wondering if it's a ADO or Oracle Client issue. This is something beyond my knowledge. I wouldn't imagine it's the Visual Basic issue since this same file works in Windows XP. I am not in the position to just scrap Excel as the business relies on this in production and I am the only support. What could 64 bit vs 32 bit differences be having here? Thank You.

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OLE DB provider 'OraOLEDB.Oracle' reported an error The provider did not gi

Hi, I've setup oracle client tools on a windows server that runs sql server 7
tnsping works as well as the client tool test feature on my sid.
However, I can't seem to use it from SQL Server. I've installed and uninstalled the client tools many times, I'm beginning to think perhaps I installed the wrong package. Weird thing is there is no Listener listed in Windows Services, yet the listener I setup is working.
I enabled the allow in process property of both the MSADAORA and Oracle OLE drivers from SQL Server, help!!
SELECT * FROM OPENQUERY(ORACLE_MIRROR, 'select count(1) from dual')
RESULTS IN:
Server: Msg 7399, Level 16, State 1, Line 1
OLE DB provider 'MSDAORA' reported an error.
[OLE/DB provider returned message: 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.]
OLE DB error trace [OLE/DB Provider 'MSDAORA' IDBInitialize::Initialize returned 0x80004005:   ].
THIS IS AFTER I HAVE INSTALLED THE ORACLE 10.2 CLIENT TOOLS AND SETUP A LISTENER AND TESTED SIDS OK.
UTILIZING THE ORACLE OLE DRIVER IN THE LINKED SERVER I GET THIS ERROR:
Server: Msg 7399, Level 16, State 1, Line 1
OLE DB provider 'OraOLEDB.Oracle' reported an error. The provider did not give any information about the error.
OLE DB error trace [OLE/DB Provider 'OraOLEDB.Oracle' IDBInitialize::Initialize returned 0x80004005: The provider did not give any information about the e

The MS OLEDB for Oracle was built some time ago and requires an older SQL*Net version:
OLE/DB provider returned message: 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.
=> see Oracle Version V7.3.3 ... but you have installed V10; so the OLEDB driver from MS tries to locate old SQL*Net client library files which are not available in your installation anymore.
So best would be to use the Oracle OLEDB driver coming with the SQL*Net client you have installed.
As you mentioned this causes a different error:
Server: Msg 7399, Level 16, State 1, Line 1
OLE DB provider 'OraOLEDB.Oracle' reported an error. The provider did not give any information about the error.
OLE DB error trace [OLE/DB Provider 'OraOLEDB.Oracle' IDBInitialize::Initialize returned 0x80004005: The provider did not give any information about the e
This error is related to the OLEDB process running by default in "out-of-process" mode which doesn't work with Oracle OLEDB driver. By setting a key in the registry under SQL Server this can be changed to run in-process (the default) the provider will work:
     HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSSQLServer\Providers\ORAOLEDB.ORACLE
Change the value of the key "AllowInProcess" under the "OraOLEDB.Oracle" folder
to a hexadeciaml value of 1.
If the key does not exist create it as a new DWORD value.
See also:
Article-ID:         Note 260775.1
Title:              ORA-12560 Attempting to Query the Oracle Database from
                    Microsoft SQL Server's SQL Query Analyzer Using the Oracle
                    Provider for OLE DB

The operation could not be performed because OLE DB provider "OraOLEDB.Oracle" for linked server ...

Our setup is that we have two databases; a SQL Server 2008 database and an Oracle database (11g). I've got the oracle MTS stuff installed and the Oracle MTS Recovery Service is running. I have DTC configured to allow distributed transactions. All access to the Oracle tables takes place via views in the SQL Server database that go against Oracle tables in the linked server.
(With regard to DTC config: Checked-> Network DTC Access, Allow Remote Clients, Allow Inbound, Allow Outbound, Mutual Authentication (tried all 3 options), Enable XA Transactions and Enable SNA LU 6.2 Transactions. DTC logs in as NT AUTHORITY\NetworkService)
Our app is an ASP.NET MVC 4.0 app that calls into a number of WCF services to perform database work. Currently the web app and the WCF service share the same app pool (not sure if it's relevant, but just in case...)
Some of our services are transactional, others are not.
Each WCF service that is transactional has the following attribute on its interface:
[ServiceContract(SessionMode=SessionMode.Required)]
and the following attribute on the method signatures in the interface:
[TransactionFlow(TransactionFlowOption.Allowed)]
and the following attribute on every method implementations:
[OperationBehavior(TransactionScopeRequired = true, TransactionAutoComplete = true)]
In my data access layer, all the transactional methods are set up as follows:
using (IDbConnection conn = DbTools.GetConnection(_configStr, _connStr))
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using (IDbCommand cmd = DbTools.GetCommand(conn, sql))
... Perform actual database work ...
Services that are transactional call transactional DAL code. The idea was to keep the stuff that needs to be transactional (a few cases) separate from the stuff that doesn't need to be transactional (~95% of the cases).
There ought not be cases where transactional and non-transactional WCF methods are called from within a transaction (though I haven't verified this and this may be the cause of my problems. I'm not sure, which is part of why I'm asking here.)
As I mentioned before, in most cases, this all works fine.
Periodically, and I cannot identify what initiates it, I start getting errors. And once they start, pretty much everything starts failing for a while. Eventually things start working again. Not sure why... This is all in a test environment with a single user.
Sometimes the error is:
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This message, I'm guessing is happening when I have non-transactional stuff within transactions, as I'm not setting XACT_ABORT in the non-transactional code (that's totally doable, if that will fix my issue).
Most often, however, the error is this:
System.Data.SqlClient.SqlException (0x80131904): The operation could not be performed because OLE DB provider "OraOLEDB.Oracle" for linked server "ORACLSERVERNAME" was unable to begin a distributed transaction.
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I noticed that our transactions didn't seem to have a DistributedIdentifier set, so I added the EnsureDistributed() method from this blog post: http://www.make-awesome.com/2010/04/forcibly-creating-a-distributed-net-transaction/
Instead of a hardcoded Guid (which seemed to cause a lot of problems), I have it generating a new Guid for each transaction and that seems to work, but it has not fixed my problem. I'm wondering if the lack of a DistribuedIdentifier is indicative of some other underlying problem. I've never dealt with an environment quite like this before, so I'm not sure what is "normal".
I've also noticed that the DistributedIdentifier doesn't get passed to WCF. From the client, I have a DistributedIdentifier and a LocalIdentifier in Transaction.Current.TransactionInformation. In the WCF server, however there is only a LocalIdentifier set and it is a different Guid from the client side (which makes sense, but I would have expected the DistributedIdentifier to go across).
So I changed the wait the code above works and instead, on the WCF side, I call a method that calls Transaction.Current.EnlistDurable() with the DummyEnlistmentNotification class from the link above (though with a unique Guid for each transaction instead of the hardcoded guid in the link). I now havea DistributedIdentifier on the server-side, but it still doesn't fix the problem.
It appears that when I'm in the midst of transactions failing, even after I shut down IIS, I'm unable to get the DTC service to shutdown and restart. If I go into Component Services and change the security settings, for example, and hit Apply or OK, after a bit of a wait I get a dialgo that says, "Failed ot restart the MS DTC serivce. Please examine the eventlog for further details."
In the eventlog I get a series of events:
1 (from MSDTC): "The MS DTC service is stopping"
2 (From MSSQL$SQLEXPRESS): "The connection has been lost with Microsoft Distributed Transaction Coordinator (MS DTC). Recovery of any in-doubt distributed transactions
involving Microsoft Distributed Transaction Coordinator (MS DTC) will begin once the connection is re-established. This is an informational
message only. No user action is required."
-- Folowed by these 3 identical messages
3 (from MSDTC Client 2): 'MSDTC encountered an error (HR=0x80000171) while attempting to establish a secure connection with system GCOVA38.'
4 (from MSDTC Client 2): 'MSDTC encountered an error (HR=0x80000171) while attempting to establish a secure connection with system GCOVA38.'
5 (from MSDTC Client 2): 'MSDTC encountered an error (HR=0x80000171) while attempting to establish a secure connection with system GCOVA38.'
6 (From MSDTC 2): MSDTC started with the following settings: Security Configuration (OFF = 0 and ON = 1):
Allow Remote Administrator = 0,
Network Clients = 1,
Trasaction Manager Communication:
Allow Inbound Transactions = 1,
Allow Outbound Transactions = 1,
Transaction Internet Protocol (TIP) = 0,
Enable XA Transactions = 1,
Enable SNA LU 6.2 Transactions = 1,
MSDTC Communications Security = Mutual Authentication Required, Account = NT AUTHORITY\NetworkService,
Firewall Exclusion Detected = 0
Transaction Bridge Installed = 0
Filtering Duplicate Events = 1
This makes me wonder if there's something maybe holding a transaction open somewhere?

The statement executed from the sql server. (Installed version sql server 2008 64 bit standard edition SP1 and oracle 11g 64 bit client), DTS enabled
Below is the actual sql statement issued
SET XACT_ABORT ON
BEGIN TRAN
insert into XXX..EUINTGR.UPLOAD_LWP ([ALTID]
          ,[GRANT_FROM],[GRANT_TO],[NO_OF_DAYS],[LEAVENAME],[LEAVEREASON],[FROMHALFTAG]
          ,[TOHALFTAG] ,[UNIT_USER],[UPLOAD_REF_NO],[STATUS],[LOGINID],[AVAILTYPE],[LV_REV_ENTRY])
          values('IS2755','2010-06-01',
'2010-06-01','.5',     'LWOP'     ,'PERSONAL'     ,'F',     'F',     'EUINTGR',
'20101',1,1,0,'ENTRY')
rollback TRAN
OLE DB provider "ORAOLEDB.ORACLE" for linked server "XXX" returned message "New transaction cannot enlist in the specified transaction coordinator. ".
Msg 7391, Level 16, State 2, Line 3
The operation could not be performed because OLE DB provider "ORAOLEDB.ORACLE" for linked server "XXX" was unable to begin a distributed transaction.
Able to execute the above statement successfully without using transaction.We need to run the statement with transaction.

'OraOLEDB.Oracle' provider is not registered - ODAC 11.1.0.6.10 Beta2

Hello,
I have installed the ODAC 11.1.0.6.10 Beta2 and when working with ASPX pages that use OraOleDB, it raises the following error:
Additional information: The 'OraOLEDB.Oracle' provider is not registered on the local machine.
Do I have to do something else to set the OraOleDB registered? during the installation I selected to install all the components of the Odac (except the MTS service). This app was working fine whith a previos previous intallation of the ODAC 10.2.02.20. (to try the new version, I uninstalled the previous version)
Thanks.

Hello Buddie, how you doing?
I just solved my problem.
Verifying which DLL were missing through OraOleDB.dll, using the tool "Dependency Walker", I downloaded and put them into the respective directories. I'm going to show you.
Must be aware you needn't overwrite any DLL.
In my scenario, having Oracle Client 8.1.7.0, the missing dll are following below:
%ORACLE_HOME%\bin :
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- OraOLEDBus.dll
%WINDIR%\system32\ :
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- WINHTTP.dll
- GDIPLUS.dll
Just make sure the OraOleDB.dll registering is complain to the tree DLL dependencies.
I hope it can help you.
Igor Monteiro.

The 'ORAOLEDB.ORACLE' provider is not registered on the local machine.

Sir,
I am having my oracle 11g 64 bit database in RHEL linux 64 bit server. My Visual Studio .Net 2008 64 bit application is running in server having Windows server 2008 64 bit OS and oracle 11.2.0.2.0 client 64 bit.
When I try to connect the database through the oracle client its working fine and I am able to connect through the development mode of visual studio 2008. But when I try to run in the IIS the following error is coming:
The 'ORAOLEDB.ORACLE' provider is not registered on the local machine.
Kindly help me
Thanks in advance
n v r

This is not an Oracle database problem, never mind a database server language (PL/SQL or SQL) problem.
The problem you've described is with a Microsoft product, Visual Studio 2008. The server you refer to is Microsoft IIS. The error you list is an error with a Microsoft proprietary technology called OLEDB (part of Microsoft's <i>Component Object Model</i>).
Just where does Oracle PL/SQL and SQL languages, the subject matter of this forum, feature in your problem with Microsoft proprietary technology?

'ORAOLEDB.ORACLE' provider is not registered on local machine.

Operating System: Windows XP Pro 64-bit
Oracle: 11G Standard Edition One (32-bit)
App: VB.NET (32-bit)
Attempts at fixing problem: 1) Set permissions for users ORACLE_HOME folder as advised. 2) Ran REGSVR32 on ORAOLEDB11.DLL in "BIN" folder of ORACLE_HOME.
Other Info: App runs fine on Windows XP Pro 32-bit machine with Oracle XE (32-bit).
Thanks.

Do you know if the IIS virtual directory in which you are running is configured to support Anonymous access? If it is then you may be running into a permissions problem with the "IUSR_<machineName>" account not having sufficient priveleges to create an instance of the OraOLEDB.Oracle provider.
You could test this by temporarily adding the IUSR_ account to the admin role. If this works, you may want to consider exploring the COM+ technology that allows you to specify a user other than the one defined by IIS for running system level operations (such as establishing a DB connection ).

Provider = OraOLEDB.Oracle - provider not found after Dev Install of O8i

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