ZVzmmLAXc/TqPet-0104I/AAAAAAAAADI/gmDbu9ArSH4/s1600/MSSQL2008-WT-SS0.png' alt='Mssql2008' title='Mssql2008' />SQL Network Interfaces, error 2.Error Locating ServerInstance Specified.For me the issue was that the DNS record was wrong.The following, which proved very helpful, is largely taken from this blog post.This error message is actually pretty specific and the solution quite simple.You get this error message only if you are trying to connect to a SQL Server named instance.For a default instance, you never see this because even if we failed at this stage i.A5F154C469AF52B8992' alt='Mssql2008 Express Download' title='Mssql2008 Express Download' />TCP port 1.Named Pipes. Every time a client makes a connection to SQL Server named instance, we will send a SSRP UDP packet to the server machine UDP port 1.We need this step to know configuration information of the SQL instance, e. British Audio Books Free Download . TCP port, pipe name etc.Without this information the client does not know how to connect and it fails with this error message.In a word, the reason that we get this error message is the client stack could not receive SSRP response UDP packet from SQL Browser.In order to isolate the exact issue follow these steps Make sure your server name is correct, e.Make sure your instance name is correct and there is actually such an instance on your target machine.Be aware that some applications convert to.SQL Server 2008 R2 ,.Well i have a big problem that im trying for days to solve but i could not do it, so i need your help.I have a web application in asp.SQLServer2008 sqlServer.SQL Server 2008R2.Make sure the server machine is reachable, e.DNS can be resolve correctly, you are able to ping the server not always true.Make sure the SQL Browser service is running on the server.MS_SQL_2008_image001.jpg' alt='Mssql2008' title='Mssql2008' />If the firewall is enabled on the server, you need to put sqlbrowser.UDP port 1. 43. 4 into exception.There is one corner case where you may still fail after you checked steps 1 to 4.It also may happen when your server is a named instance on cluster or on a multi homed machineyour client is a Vista machine with Firewall on.A tool which could prove useful it did for me is Port.Qry. If this command returns information and it contains your target instance, then you can rule out possiblity 4 and 5 above, meaning you do have a SQL Browser running and your firewall does not block SQL Browser UDP packet.In this case, you can check other possible issues such as an incorrect connection string.As a final note, the error message for the same issue when you use SNAC is.SQL Native ClientSQL Network Interfaces Error Locating ServerInstance Specified x.FFFFFFFF. Microsoft recently released a guided walk through that can serve as a one stop shop to troubleshoot a majority of connectivity issues to SQL Server Solving Connectivity errors to SQL Server.
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