Ms Sql Server Error 7416
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Sql Server Linked Server Security Best Practices
login-mapping exists SQL Server > SQL Server Database Engine Question 0 Sign in to vote I sql server linked server windows authentication am trying to use a linked server and it works as long as I do not specify the sp_addlinkedserver @provstr parameter. If I specify that parameter sql server linked server security context I always get a 7416 "Access to the remote server is denied because no login-mapping exists" error. I have tried adding the logins various ways but it's very specific to the @provstr parameter, and it doesn't even matter what I put in that parameter. As soon as I put something in there whether
Grant User Access To Linked Server
it is valid or invalid, I get the error. Anyone else seen this? There is an amazing lack of any discussion about the error when I search for it. If I do this it works fine, EXEC sp_addlinkedserver @server= 'linkedname', @srvproduct='', @provider='SQLNCLI', @datasrc='servername', @catalog='mydatabase'EXEC sp_addlinkedsrvlogin 'linkedname', 'true', 'AppUser' But as soon as I add the @provstr parameter, then I get the error if I try to use linkedserver, EXEC sp_addlinkedserver @server= 'linkedname', @srvproduct='', @provider='SQLNCLI', @datasrc='servername', @catalog='mydatabase', @provstr='Failover Partner=otherservername'EXEC sp_addlinkedsrvlogin @rmtsrvname='linkedname', @useself='true', @locallogin='AppUser' It doesn't even make any difference what I put in the @provstr parameter - the sp_addlinkedserver statement always executes without an error, but running a query that uses the linked server generates the error. Friday, October 26, 2007 2:28 PM Reply | Quote All replies 0 Sign in to vote I don't know you have seen BOL, however I wanted to share the following info with you. From BOL: When
up Recent PostsRecent Posts Popular TopicsPopular Topics Home Search Members Calendar Who's On Home » SQL Server 2008 » SQL Server 2008 - General » access to the remote server is denied because no login-mapping exists error 7416 Linked Server Security 11 posts,Page 1 of 212»» Linked Server Security Rate Topic Display Mode linked server security risk Topic Options Author Message Brian CarlsonBrian Carlson Posted Thursday, January 7, 2010 11:45 AM Old Hand Group: General Forum Members Last
Linked Server Impersonate
Login: Tuesday, August 2, 2016 6:05 AM Points: 308, Visits: 455 I do not really understand linked server security in sql server 2008. I have a SQL Server logon for the remote server. I do not https://social.msdn.microsoft.com/Forums/sqlserver/en-US/6543310d-1b44-4b28-8bb6-caf959c1249b/error-7416-access-to-the-remote-server-is-denied-because-no-loginmapping-exists?forum=sqldatabaseengine want everyone to be able to access this though. I can get the linked server to work by setting "Be made using this security context" under "For a login not defined in the list above, connections will" and providing the login and password. What I would like to do is create the linked server with permissions only for a windows account with sysadmin priveledges. Then a stored procedure would access the http://www.sqlservercentral.com/Forums/Topic843774-391-1.aspx data, owned by the same user, with the execute as owner permission set. That is the theory. I have not been able to create the linked server. Would anyone be able to guide me to instructions on how to do this? I have checked BOL and it has not been helpful. Thanks,Brian. Post #843774 Ray KRay K Posted Thursday, January 7, 2010 11:57 AM SSCrazy Group: General Forum Members Last Login: Today @ 1:17 PM Points: 2,486, Visits: 4,430 The security issue is a good question. I wouldn't mind learning more about this myself.As for how to link servers, I've had good luck with the sp_addlinkedserver SP. Did you come across this in BOL? +--------------------------------------------------------------------------------------+Check out my blog at https://pianorayk.wordpress.com/ Post #843784 Brian CarlsonBrian Carlson Posted Thursday, January 7, 2010 12:17 PM Old Hand Group: General Forum Members Last Login: Tuesday, August 2, 2016 6:05 AM Points: 308, Visits: 455 Yes, I have looked at sp_addlinkedserver. I'm not having trouble connecting the linked server though, just restricting it. If I open it up all the way it works but I can't get it to work for only one user.Thanks. Post #843803 LowellLowell Posted Thursday, January 7, 2010 2:02 PM SSChampion Group: General Forum Members Last Login: Today @ 11:16 AM Points: 14,480, V
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data sources. This external data sources can be Access, Oracle, Excel, SQL Server or almost any other data system that can be accessed by OLE or ODBC. Where it is used?? A linked server configuration enables SQL Server to execute commands against OLE DB data sources on remote servers, In simple we can say users can retrieve datas from another instance of SQL Server other data sources (Excel, Access, Oracle etc), this may be another named instance or another SQL Server. Linked servers offer the following advantages: Remote server access. The ability to issue distributed queries, updates, commands, and transactions on heterogeneous data sources across the enterprise. The ability to address diverse data sources similarly. Requirements to create a linked server MSDTC service should be running SPN should be set correctly to avoid double hop problem How to Configure Linked Server to access data from another Instance of SQL Server Consider you are having two SQL servers named server1 and server2 in your working place. Consider you need to fetch datas from server2 via server1, in this case you need to configure server2 as linked server in server1. Then using server2 linked server you can fetch datas from server2 SQL Server via server1. Lets discuss how to configure this linked server Open SSMS connect to server1 (To create the linked server, the login should have ALTER ANY LINKED SERVER & ALTER ANY LOGIN permissions in server1) Expand Server Objects folder -> Linked Server Right click on the linked server folder and click on New Linked Server, the you will be prompted with a new windows Since we are configuring linked server to another SQL Server, you need to select SQL Server Option button in the main page and provide the linked server name as shown below. Once you have mentioned the server to connect, you need to specify the security context via server1 has to communicate to