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Problem Understanding sp_addlinkedserver

Posted on 2010-09-09
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Last Modified: 2012-06-21
I know this should be straight forward, but cannot get it to work...

Scenario...
2 servers, both running SQL 2005
     Server A
     Server B

I need to link to Server B from Server A to run queries

I am assuming sp_addlinkedserver to be the way to go....so....

I executed the following query from Server A...(obviously the names have been changed to protect the innocent)

exec sp_addlinkedserver
      @server='myFriendlyName',
      @provider='',
      @srvproduct='',
      @datasrc='actualServername',
      @catalog='actualDBName'

Response was "Command(s) completed successfully."

I then try to run a query as such....

SELECT *
FROM myFriendlyName.[actualDBName].[tableName]
WHERE description like '%stuff%'

Intellisense doesnt like it, but I ran it anyway and got the following error....

Msg 208, Level 16, State 1, Line 6
Invalid object name 'myFriendlyName.actualDBName.tableName'.



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Question by:JayFromPep
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6 Comments
 
LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 33637627
SELECT * FROM myFriendlyName.[actualDBName].dbo.[tableName]WHERE description like '%stuff%'
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LVL 5

Author Comment

by:JayFromPep
ID: 33637792
Thanks Angel!

got a bit farther and new error....

Msg 7403, Level 16, State 1, Line 6
The OLE DB provider "" has not been registered.
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LVL 143

Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 2000 total points
ID: 33637836
you have to tell that the remote is sql server also:
http://msdn.microsoft.com/en-us/library/ms190479.aspx

exec sp_addlinkedserver
      @server='myFriendlyName',
      @provider='',
      @srvproduct='SQL',
      @datasrc='actualServername',
      @catalog='actualDBName'

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LVL 5

Author Comment

by:JayFromPep
ID: 33637871
OK, new stuff....

Here is what I used to create the linkedserver....


exec sp_addlinkedserver
      @server='myFriendlyName',
      @provider='SQLNCLI',
      @srvproduct='',
      @datasrc='actualServerName\actualDBName'

Worked....but now I am getting login errors....

OLE DB provider "SQLNCLI10" for linked server "myFriendlyName" returned message "Login timeout expired".
OLE DB provider "SQLNCLI10" for linked server "myFriendlyName" returned message "A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online.".
Msg 65535, Level 16, State 1, Line 0
SQL Server Network Interfaces: Error Locating Server/Instance Specified [xFFFFFFFF].
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LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 33637932
article to start troubleshooting the connection:
http://www.experts-exchange.com/A_1881.html
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LVL 5

Author Comment

by:JayFromPep
ID: 33639022
hmmm....went through the doc, but no luck.  username and password is good (as dbo), remote connections are allowed.

Perhaps there is something else I am forgetting in sp_addlinkedserver command....

exec sp_addlinkedserver
      @server='myFriendlyName',
      @provider='SQLNCLI',
      @srvproduct='',
      @datasrc='actualServer\actualDB',
      @provstr='User ID=username;password=password'
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