Linked Servers SQL Server To Oracle

Aug 10, 2001

Hi All - does anyone have a step by step guide as to what needs to be set up on the Server from the Oracle side, for Oracle linked servers to work ??

I keep getting the Eror 7399 ; OLEDB provider 'MSDAORA' reported an error.

Thanks,Jazz.

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Linked Servers SQL Server To Oracle

Aug 10, 2001

Hi All - does anyone have a step by step guide as to what needs to be set up on the Server from the Oracle side, for Oracle linked servers to work ??

I keep getting the Eror 7399 ; OLEDB provider 'MSDAORA' reported an error.

Thanks,Jazz.

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Setting Up Linked Servers With SQL Server And Oracle

Jul 2, 2001

Does anyone know where I can get some good examples of how to set up a linked
server to an Oracle data source in SQL 2000? I can't seem to get a link
set up to my Oracle database. In particular I am wondering how the communication works between OLEDB to the Oracle Instance and how to trouble shoot issues (for example, would is the Oracle Listener what OLEDB is talking to?) Thanks!!

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Quering Linked Servers (Oracle)

Dec 22, 1999

Hi!

I created linked server to Oracle 8.0.5 on ODBC data source. When I run query like:
select * from linked_server_name..Schema_name.Table_name
it hangs up
I read in Books Online that the syntax is:
linked_server_name.catalog.schema.object_name
What is the _catalog_?

And also, is there a way to run PASS THROUGH QUERY against linked server, but not using OPENQUERY?

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Linked Servers Openquery Oracle

Aug 9, 2001

Running SQL2000 on Win2000 server. Installed Oracle8 client from Oracle for Winnt CD. This appeared to install OK could use SQL*PLUS to link to Oracle servers. Setting up a Linked server and then doing an openquery
gave an error:

' msadora reported an error
ole/db returned a message Oracle client & networking component were not found ..'

Any ideas? Should we have a Oracle for Win 2000 CD. It worked for SQL2000 on Winnt server.

Jim

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Setting Up Oracle Linked Server : Need Help : Sql2005 Running On XP Linking In Oracle 10.2

Oct 26, 2006

Is there any step by step help sites for setting up SQL 2005 linked (oracle 10) server?

I find MSDN articles but they referance winNT and 2000, I'm not getting very far and I'm not a DBA but need to get this working asap.

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Trouble With: Linked Server To Oracle Using OraOLEDB.ORacle Provider

Jan 11, 2007

Hi--

 

I am running SQL Server 2005 on Win2k3:

Microsoft SQL Server Management Studio      9.00.2047.00
Microsoft Analysis Services Client Tools      2005.090.2047.00
Microsoft Data Access Components (MDAC)      2000.086.1830.00 (srv03_sp1_rtm.050324-1447)
Microsoft MSXML      2.6 3.0 4.0 6.0
Microsoft Internet Explorer      6.0.3790.1830
Microsoft .NET Framework      2.0.50727.42
Operating System      5.2.3790


I have the OraOLEDB.Oracle provider installed to the (C:oraclexe) directory.

I am having problems querying from linked oracle server.  When i setup oracle as a linked server and purposely enter an incorrect password the query i run tells me i have an incorrect password.   So it at least knows that.  when i set the correct password and run a query I get this error:

(i replaced the real server name with "someServer".)

Msg 7399, Level 16, State 1, Line 1

The OLE DB provider "OraOLEDB.Oracle" for linked server "SomeServer" reported an error. The provider did not give any information about the error.

Msg 7303, Level 16, State 1, Line 1

Cannot initialize the data source object of OLE DB provider "OraOLEDB.Oracle" for linked server "SomeServer".

 

This is how I set up my Linked server:

Provider: "Oracle Provider for OLE DB"

Product Name: SomeServer

Data Source: SomeServer

Provider String:  "Provider=OraOLEDB.Oracle;Data Source=SomeServer;User Id=MyLogin;Password=MyPassword"

 

 

The query I run is:

Select * from [Someserver].[schema or database]..[tbl_name]

 

Any help???  What am i missing?

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Sql Server 2000 - Linked Servers

Jan 23, 2001

I'm working with SQL Server 2000 installed in Windows 2000. When i tried to add the 'servername' as a linked server , i got the following message:

" Error: 15038. The Server 'servername' already exists."

When i execute "sp_linkedservers" , i could see the name "servername" in the list. But before doing this i had Restored the "MSDB" database on this server. Should i use "sp_droplinkedservers" and add them again.

Any comments are most welcome.

Thanks, Santha.

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Server 2003 - Linked Servers

May 7, 2008

I've set up a Linked server connection to a Windows 2003 server running MySql using SSL.

I can run SQL and T-SQL from the query window using the Server management studio on the
server, and everything is good.

As soon as I apply a trigger to a table on our local server running the same
script, I get a "linked server unable to begin a distributed transaction"
error.

I've google'ed my brains out on this error and tried both Mysql ODBC drivers
3.51 and 5.1 and keep getting the same error.

Any suggestions? Thanks, Tony T

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To Maintain Two Different Connections For Different Servers In ASP.Net Application(sql Server And Oracle)

Oct 10, 2007

I am working in ASP.NET 2.0 and using sql server 2000 as backend . In my application i need to insert/update to oracle database table lying on different server. Please let me know how can i maintain two different connecttions to different databases lying on different servers..... 

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To Maintain Two Different Connections For Different Servers In ASP.Net Application(sql Server And Oracle)

Oct 10, 2007

I am working in ASP.NET 2.0 and using sql server 2000 as backend . In my
application i need to insert/update to oracle database table lying on
different server. Please let me know how can i maintain two different
connecttions to different databases lying on different servers.....

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Difference Between Remote Server And Linked Servers?

Oct 25, 2000

Hi Everybody,

Can anyone tell me what is the difference between Remote Server and Linked Servers.

thks in advance,
Srinivasan.

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Move / Copy Linked Servers From One Server To Another

May 27, 2015

I have migrated databases and logins from SQL server 2008 R2->SQL Server 2014. Now I also want to migrate/copy the "linked servers". Do you have a step-by-step for this, so that i will copy everything that is necessary regarding logins etc ? 

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Linked Server In NT To Oracle

Jul 15, 2002

Hi:

I configured SQL Server 7.0 by Linked Server to a Oracle db. What I found was I could select data from SQL Enterprise Manage but fail to insert any data through Query Analyst from SQL Server to Oracle. The platform for the SQL Server is NT 4.0 SP6.

Could you point out what I missed while inserting data from Query Analyst to Oracle?

Thank you very much.

Rick

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Linked Server To Oracle

Jul 20, 2005

Hi,I have an Oracle (8.1) & a SQL Server 2000 database withProduction data. There are situations when I need data from both thedatabases. My first choice was to link Oracle to SQL and run DTSovernight. But this would have a 1 day latency not to mention the timeit would take.1. Has any one tried real time access via Linked server to Oracle?How good is the performance?2. The Oracle db is fairly big, so I'm kinda not in favor ofcopying the whole thing over into SQL overnight. Is there an easierway to just get only the changed records from Oracle?3. Is there a better solution to this?4. Lastly, if I use OPENROWSET or OPENQUERY, can I dynamicallychange the SQL that you pass it? e.g. can the query accept aparameter?Thanks in advanceSudhesh

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Linked Server To Oracle

Jul 20, 2005

Hello,I have a linked server to oracle 7.1 from SQL 2000. when I try toexecute simple select statement which returns one row of data usingopenquery is not fetching the data. After 30 minutes SQL Queryanalyser is hanging. This is happening on the production server and itis working from last 6 months. I have tried by deleting and recreatingthe linked server, but no use. Please helpThanks,Regards,Pardhasaradhy

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Linked Server (Oracle 9i)

Jul 20, 2005

Hello all,Having problems connecting to an Oracle 9i database from withinSQL/Server 2000 using the Security/Linked Servers feature.Server1 (SQL/Server)-----------Windows Server 2003, Standard editionMS SQL/Server 2000Oracle 9i Client kit (OLEDB & ODBC) & Enterprise management toolsMicrosoft ODBC for OracleOracle OLEDBMDAC 2.8 RTMServer2 (Oracle)-----------Windows 2000 - Advanced ServerOracle 9i database (v9.2.0.1.0)Two nodes clustered using Microsoft cluster manager. (Nodes areDATABASE01 & DATABASE02 - Cluster is WMCLUSTER)When I try to connect to the linked server in Enterprise Manager I getthe following error messages.Error 7399 OLE DB provider 'MSDAORA' reported an error. Authenticationfailed.OLE DB error trace [OLE/DB Provider 'MSDAORA'IDBInitialize::Initialize returned 0x80040e4d: Authenticationfailed.].From within Query analyzer I get a slightly different messagereporting that the username/password are incorrect.dbcc traceon(7399)select * from TURLIVE..SONICA.INV_LOCServer: Msg 7399, Level 16, State 1, Line 3OLE DB provider 'MSDAORA' reported an error. Authentication failed.[OLE/DB provider returned message: ORA-01017: invalidusername/password; logon denied]OLE DB error trace [OLE/DB Provider 'MSDAORA'IDBInitialize::Initialize returned 0x80040e4d: Authenticationfailed.].I know the username/password combination is correct and I can usethese from with Oracle enterprise Manager with sucess.TURLIVE is the name I've given the linked server, SONICA is the nameof the schema on the Oracle database and INV_LOC is a valid table.TURLIVE is also the name of the database instance on Server2.Steps taken so farInstall Oracle client tools (Enterprise Manager, Net manager etc) onServer1.Setup an entry in TNSNAMES.ORA to the cluster that has the Oracledatabase. e.g.TURLIVE =(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = WMCLUSTER)(PORT = 1521)))(CONNECT_DATA =(SERVICE_NAME = TURLIVE)))This works fine, I can connect via Oracle Enterprise manager and I canTNSPING WMCLUSTER, DATABASE01 & DATABASE02.Configured an ODBC source to TURLIVE.On Server1 I've configured the linked server using the following SQL.sp_addlinkedserver 'TURLIVE', 'Oracle', 'MSDAORA', 'TURLIVE'sp_addlinkedsrvlogin 'TURLIVE', false, 'sa', 'sonica','******'(password blanked)I then rebooted Server1The properties of the new linked server are:Product name = OracleData Source = TURLIVEProvider String = blankI've modifed the registry on Server1 as instructed by a Microsoft KBarticle.HKEY_LOCAL_MACHINESOFTWAREMicrosoftMSDTCMTxOCI OracleXaLib = "oracleclient8.dll"OracleSqlLib = "orasql8.dll"OracleOciLib = "oci.dll"Still no luck. Can anyone please point out he bleeding obvious? :-)Thanks in advanceAs an aside, has anyone ever configured a linked server to an OracleRdb (Previously DEC Rdb running on OpenVMS and DEC UNIX) database?Are there any HOWTO guides for this type of connectivity?CheersDave.

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Linked Server For Oracle RDB 6

Oct 10, 2007

Anyone using a SQL Server Linked Server to access Oracle RDB on a VMS/Alpha? What connection are you using? What is reuqired? I am using OLE DB Provider for ODBC to access an ODBC connection I setup using the Oracle ODBC driver for Oracle RDB 2.1 and it seems slow and limited. You can only use the OPENQUERY method to access data, etc.

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64-bit And Linked Server To Oracle

Oct 23, 2007



We're having some trouble connecting SQL Srvr2005 to Oracle (10g) in our 64-bit environment. We have Oracle's 32-bit Ole Db provider installed and have been able to use that in SSIS to connect and return some data running in 32-bit debug mode (as long as the query isn't long, complicated or using parameters =)

However, we have some hefty queries that we need to gather some data and want to put them in a stored proc on Oracle and call it through SSIS. We tried adding our Oracle DB as a linked server and are getting some errors. I've tried the following code replacing the provider with 'OraOLEDB.Oracle.1', 'OraOLEDB.Oracle' as well as 'MSDAORA':


EXEC sp_addlinkedserver

'ORA_TSTW', 'Oracle',

'OraOLEDB.Oracle.1', 'TSTW'



EXEC sp_addlinkedsrvlogin 'ORA_TSTW', false,

'user', 'lituser',

'pw'



select * from openquery(ORA_TSTW, 'select * from lituser.customer')


We keep getting the error for each of the providers we try. I've tried it in Management Studio as well as in an Exec SQL task (with debug set to 32-bit) to no avail.


Cannot create an instance of OLE DB provider "OraOLEDB.Oracle.1" for linked server "ORA_TSTW".


I've checked and the MSDAORA.dll is registered in both C:Program Files (x86)Common FilesSystemOle DB as well as C:Program FilesCommon FilesSystemOle DB.

If we can't where we can call an Oracle stored proc, we were thinking of just using a script task to connect to Oracle and retrieve the data we need, but I have a feeling performance this way would be degraded.

Anyone have thoughts/suggestions? TIA!

Sabrina

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Linked Server With Oracle

Aug 22, 2005

I installed the Oracle client on my computer, and I can connect to oracle databases using SqlPlus, however when I try setting up the linked server I get the following error after I try executing a query.

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SQL Server 2008 :: Getting Error While Creating Linked Servers

Sep 15, 2015

Below is the syntax I am using for creating Linked server from SQL Server i.e windows 2008 R2 standard to Postresql database running on Linux 32 bit Debian (Linux turtle 3.2.0-4-686-pae #1 SMP Debian 3.2.46-1+deb7u1 i686 GNU/Linux) and the version of Postresql is 8.3

/****** Object: LinkedServer [HGCDEV] Script Date: 09/15/2015 17:03:37 ******/
EXEC master.dbo.sp_addlinkedserver @server = N'HGCDEV', @srvproduct=N'', @provider=N'MSDASQL', @datasrc=N'172.16.20.159',@provstr=N'UID=web;PWD=dev123'
/* For security reasons the linked server remote logins password is changed with ######## */
EXEC master.dbo.sp_addlinkedsrvlogin @rmtsrvname=N'HGCDEV',@useself=N'False',@locallogin=NULL,@rmtuser='web',@rmtpassword='dev123'

This the error I am getting " Cannot initializee the data source object of OLE DB provider "MSDASQL" for linked server "HGCDEV".

How to setup the linked server........... Below are the drivers installed on the SQL server

PostgreSQL35W
PostgreSQL30

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Server Aliases/linked Servers Cause Remote Queries

Apr 4, 2008

Can someone please shed some light on what seems to me to be a common requirement.

If I create an alias or linked server to Server1 - say Alias1 - on Server1 and then use that name in a query on Server1, a remote/distributed query is always used (even though we are running on the local server and that overhead is completely unnecessary).

Is SQL Server really not capable of deciding that
select * from Alias1.db1.dbo.table1
and
select * from Server1.db1.dbo.table1
should be optimized and executed exactly the same when Alias1 is Server1, but that it is a distributed query ONLY when Alias1 is really referring to a remote server? I realize that the four part name is not necessary when I am referring to objects on the current server, but I am trying to write code that is server instance independent.

It just seems that if that is not possible, then the only way to create system independent stored procs that can run in dev, staging, and production environments and work with multiple databases on multiple servers is to create all sorts of scripts to regenerate all the procs whenever you move a database between servers?

If SQL Server is even close to the enterprise big iron server that MS now claims it is, it surely needs to support running in dev, staging, and production environments and work with multiple databases on multiple servers?!

I'm really looking for someone to tell me I'm missing something simple, and of course you can do this - but complex workarounds are invited too :-)
This is not something I am investigating as an academic exercise, I am already doing this, but I have to figure out how to do it better because with all these unnecessary distributed queries, performance is horrible.

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Execute An Schedule Job From MSDE With LINKED Servers In SQL Server

Oct 17, 2006

I have a schedule job that I would like to run on a MSDE database. Thestored proc executes just fine if I run it manually. But trying toschedule it through the Enterprise Manager (or Management Studio)generates an error saying the the "Remote Access not allowed forWindows NT user activated by SETUSER.Essentially I have tables in the MSDE which are being updated based ontables from a LINKED SQL Server.I can not appear to get this job to execute unattended.Please advise,Rob(rkershberg@gmail.com)

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Oracle Linked Server TOO SLOW!!

May 30, 2001

I need to push 40k rows daily to an Oracle database. I am on a Win2k Pro box with the 8.1 client and ADO 2.6 loaded. I've configured the linked server with the Oracle as well as the Microsoft provider and it takes over a minute to push just 24 rows, less than 100 bytes each, at it. Any suggestions?

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Adding A Linked Oracle Server To Sql 7.0

Feb 2, 2001

Does anyone know how to link an Oracle (8.0.6.0) database to a MS SQL 7.0 db? I have set up the ODBC and it works with no problem. I can get tables from the oracle db and bring them into MS access with ODBC so I know that it is set up correctly. I just cant get visability to the db in a sql 7 environment. Any help or sugestion would be appreciated.
Thanks
-NES

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Linked Server, Openquery, Oracle

Jan 20, 2000

Can someone please tell me what oracle software needs to be installed on a sql server machine that will link to an Oracle database on an NT4 machine.

Also can you also confirm if you have successfully executed an oracle stored procedure from sql server using the open query function. If yes, How? because I have read about people having prolems executing stored procedures with arguments using the OPENQUERY Function.

Thanks

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Linked Oracle Server Performance

Jun 6, 2002

Anyone have any suggestion on increasing the performance going over a linked server? IS this connection persistent? Or does it establish a connection with each reference? Any other Providers for the connection other than Microsofts OLE DB Provider for Oracle? I imagine that building index's on the referenced oracle tables would help?

Any help, input or suggestions would help.

David

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View With Linked Oracle Server

Feb 26, 2008

Hi,I have created a linked server to oracle, which works fine.But when I try and create a view joining the SQL table with the linked Oracle table, it only returns the primary key field in the Oracle table and nothing else.Anyone know why?ThanksN.B. I'm using SQL Server 2005 btw.

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SQL 2012 :: Oracle Linked Server

Jun 8, 2015

I have a SQL Server 2012 instance set up with a linked server to an Oracle Database. I need to build a stored procedure (single NVARCHAR(6) parameter in: @accountID) which executes a select statement against the Oracle DB.

Everything's working fine when testing with 'EXEC (''<oraclecodeblock>'') at LINKEDSERVERNAME' if I hard code the value of @accountID in <oraclecodeblock> but when I encapsulate it all within sp_executesql and attempt to parameterize @accountID it's throwing ORA-01722 'invalid number' errors on the Oracle DB. The parameterized value is NVARCHAR as are the account numbers.

Working:
DECLARE @accountID VARCHAR(6);
SET @accountID = '10842';
DECLARE @sql NVARCHAR(MAX);
SET @sql = N'EXEC (''SELECT * from A.Accounts WHERE ID = ''''10842'''';'') AT LINKEDSERVER';

[code]...

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Query Oracle Linked Server

Jul 8, 2013

I run a query using an Oracle Linked Server.

This seems to run forever.
SELECT * FROM LinkedServer..Schema.View WHERE TN= '2034561295'

...and any other field in the where clause work fine.

SELECT * FROM LinkedServer..Schema.View WHERE SPID= '8088'

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Linked Server Problem To Oracle

Sep 7, 2007

Hello,

I have a problem which I have spent the whole day trying to resolve but with little success...

Here is the situation:

I installed the Oracle Client 9.x.x on to my production MS Windows 2003 Server running MS SQL Server 2005 Enterprise (I need to make a Linked Server connnection to an Oracle database). The problem is if I try to create the Linked Server, I get an "Oracle Client software not installed. You must have the Oracle Client software installed to create connection" message from SQL Server. This is frustrating because the software is installed and I am able to make queries through SQL*Plus to the Oracle Database...

Here is my checklist ---

1) the PATH variable on the Windows Server is set correctly to the proper ORACLE HOME directory (with proper /bin directories set as well)
2) I have an updated MDAC component installed
3) registry configuration are correct for Oracle 9i
4) created test Linked Server connections to various datasources (not Oracle)

I am assuming the tsnames.org file is set up correctly or I would be able to make queries from SQL*PLUS, is this assumption correct?

I am at a lost as to what to try next...

Any information would be greatly appreciated,

Thank you,

mgarrettDev

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Jul 23, 2005

Hi,I am using MSSQL 2k, and I have a linked server set up to an Oracle RDBversion 7. It goes thru an OLE DB provider for ODBC drivers on a systemDSN, which is using an Oracle RDB ODBC driver version 3.0.2.The problem occurs when I send a query that returns zero rows - queryanalyzer just does not complete nor return. This problem is not seenwhen there are rows being returned.I ran a trace and this is the error message I get-:Non-interface error: OLE DB provider MSDASQL returned an incorrectvalue for DBPROP_CONCATNULLBEHAVIOR which should be eitherDBPROPVAL_CB_NULL or DBPROPVAL_CB_NON_NULLAnybody who experienced this before has a solution?Thanks,Lawrence

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Linked Server Trouble To Oracle

Aug 11, 2005

I'm currently trying to establish a linked server to an Oracledatabase.Setup:Connecting to 8x version of OracleUsing 9i client tools (Net Manager)SQL-Server 2000Windows 2000I installed the Oracle 9i client tools, and set up a Service for theOracle connection. Testing from the 9i client produces a successfullconnection.I then opened SQL-Server and created a new Linked Server with thefollowing setup:Name - PYR_LinkProvider - Microsoft OLE DB Provider for OracleProduct Name - PYRData Source - PYR (9i Service Name)Provider string - MSDAORAI get the unspecific 7399 error that OLE DB provider MSDAORA reportedan error, trace 'Initialize returned 0x80004005'I've searched through the archives, checked all of the relevantMicrosoft articles I could find, and still have no idea what is wrong.SQL-Server reports that the provider is registered in the system, but Ican't figure out what I'm missing.Help or a guide for troubleshooting would be much appreciated.Tim

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