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Linked Servers Between Local SQLExpress 2008 & Remote SQL2008?

Posted on 2010-09-24
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Last Modified: 2012-05-10
This code worked linking two local SQLExpress 2005 on two seperate PCs. However, I cannot get connection to work while testing from Local SQLExpress and Interent remote SQL 2008 Server.

I have tcp1433 open.
The following code runs 'Successfully' without errors

Linked Server show locally: select * from master..sysservers

[Code That Worked - Local to Local SQLExpress 2005 From C# App]
Exec sp_addlinkedserver @server = '" + remotePcName + "', @srvproduct = '', @provider = 'SQLNCLI', " +
@" @provstr = 'DRIVER={SQL Server};SERVER=" + remotePcName + @"\SQLEXPRESS;Trusted_Connection=yes;'

[Code 'Attempt' Local SQLExpress 2008 to Remote SQL 2008 From MS Mgt Studio 2008]
Exec sp_addlinkedserver
@server = 'RemoteSql', --friendly name
@srvproduct = '',
@provider = 'SQLNCLI',
@provstr = 'DRIVER={SQL Server};Server=tcp:sql2k801.discountasp.net;Initial Catalog=SQL2008_123456_database1;User ID=mysecretid;Password=mysecretpassword;'

I contacted DiscountASP support (no help), did find linked servers are allowed (kb articles).

Help EE....
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Question by:pointeman
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3 Comments
 
LVL 15

Expert Comment

by:MohammedU
ID: 33755794
I believe remote connections are disabled in SQL Express by default...
Make sure you enable remote connections...
check the following blog for how enable...

http://blogs.msdn.com/b/sqlexpress/archive/2005/05/05/415084.aspx
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Author Comment

by:pointeman
ID: 33756515
Untrusted domain errors now.
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Accepted Solution

by:
pointeman earned 0 total points
ID: 33757119
SOLUTION:
Before runing sp_addlinkedserver or doing anything else, perform the following task:
1. Login to SQL Server Management Studio 2008 as 'Administrator' ( Windows Authentication or SA)
2. Go to Securtiy -> Logins: create login using same 'user id' and 'password' as Remote login
3. Assign role 'sysadmin' and default database 'master'
4. Logout and LOGIN as the newly created login user and password
5. Now run sp_addlinkedserver
6. Go to Server Objects -> Linked Servers -> mylinkedservername -> remotedbname -> Tables (All show)
7. Run this query: use master;  Select * From mylinkedservername.master.dbo.sysdatabases (approx 3 rows show)
8. Run this query: Select * From mylinkedservername.remotedbname.dbo.mytablename (returns all rows)
This worked for me, hope I didn't miss anything, details... details...
 
 
 
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