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MohitPanditFlag for India

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SQL Server 2000: == Linked Server, With higher version ==

Hello Folks,

I've SQL Server 2000, I want to have linked server (i.e. SQL Server 2008) on SQL Server 2000.

Does SQL Server 2000 allow to make linked server with higher version?

Best Regards,
Mohit Pandit
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funwithdotnet

I don't know the answer to your question, however, you probably shouldn't be using SQL Server 2000. SQL Server 2008 supports SQL Server 2000 databases and the linking you want.
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Daniel Jones
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Linked servers doesn't care about versions but it requires the client to be installed in the server so it knows how to communicate with the linked server.
With that said you'll need to install SQL Server 2008 native client for SQL Server 2000 be able to create the appropriate linked server. You can download if from MSSQL 2008R2 Feature Pack (In Install Instructions search for sqlncli.msi).
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@Vitor, I can't install native client on production server.

@Daniel, I followed your steps. It looks configured but when I clicked on "tables" then it pops up message "Error 17: SQL Server does not exist or access denied"
Should I use "Other data source" as Server Type with different provider?

Best Regards
@Vitor, I can't install native client on production server.
Then you should get someone that can otherwise you won't be able to create the necessary Linked Server.
@Daniel, I followed your steps. It looks configured but when I clicked on "tables" then it pops up message "Error 17: SQL Server does not exist or access denied"
take a look at this link, this will show you the potential causes of the "SQL Server does not exist or access denied" error message: https://support.microsoft.com/en-us/kb/328306
The error occurs because your SQL Server 2000 instance doesn't know how to contact a SQL Server 2008 instance. That's why you need MSSQL 2008 SNAC.
Hi Vitor - Thanks for your comment.
But I have other instance of SQL 2008 R2 and I tried to connect linked server of SQL 2014.
It works.

I believe that similar 2000 & 2008 R2 should connect through linked server. Do you have other thoughts?

Best Regards
But I have other instance of SQL 2008 R2 and I tried to connect linked server of SQL 2014.
 It works.
SQL Server 2014 is higher that 2008R2 so it should knows how to connect to a previous version. The opposite might not work.

NOTE: In year 2000 Microsoft's developers wouldn't know that it would exist a SQL Server 2008 version in the future and which protocols it will use, right?
@Vitor, I got access for SQL 2012 on same network where SQL 2000.

I tried to create linked server for SQL 2012 from SQL 2000. I got access all tables & data.

I believe that similar will be happen with SQL 2008 R2.

Thoughts?
Yes, I'm expecting that a newer version of SQL Server will be able to connect to older versions without problem.
What for you need the Linked Server? i.e. it's something that can be done in the SQL Server 2008R2 side?
Actually, earlier you were strongly recommended for native client download.
This is the reason, I wanted to inform you that I was able to successful linked server between SQL 2000 vs. 2012.

Best Regards
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Okay, thanks. I'll access of SQL 2008 R2. Once, It's done then I'll close this thread.
I got access SQL 2008 R2 and it was straight to create Linked server.
Thanks