Error Locating Server/instance Specified Sqlcmd
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★★★★★★★★★★★★★★★ SQL Server ConnectivityMay 13, 2007286 0 0 0 Users often see this error message when connection to a SQL Server and don't know where to start to solve the problem. In most forums, people says this is because remote connection error locating server instance specified sql 2008 r2 is not enabled on the server. This is not exactly correct. Actually, this error message give
Error 26 Error Locating Server Instance Specified
customers very specific information and the solution is quite simple. First of all, you get this error message only if you are trying to sql server network interfaces error locating server instance specified connect to a SQL Server named instance. For default instance, you never see this. Why? Because even if we failed at this stage (i.e. error locating server/instance specified), we will continue to try connect using default values, e.g defaul sql server network interfaces error locating server instance specified xffffffff TCP port 1433, default pipe name for Named Pipes. You may see other error message due to failure later, but not this error message. Every time client makes a connection to SQL Server named instance, we will send a SSRP UDP packet to the server machine UDP port 1434. We need this step to know configuration information of the SQL instance, e.g., protocols enabled, TCP port, pipe name etc. Without these information, client does know how to connect the
Provider Sql Network Interfaces Error 26 Error Locating Server Instance Specified
server and it fails with this specified 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. It's easy to isolate the issue. Here are the steps:1) Make sure your server name is correct, e.g., no typo on the name. 2) Make sure your instance name is correct and there is actually such an instance on your target machine. [Update: Some application converts \ to . If you are not sure about your application, please try both ServerInstance and Server\Instance in your connection string]3) Make sure the server machineis reachable, e.g, DNS can be resolve correctly, you are able to ping the server (not always true). 4) Make sure SQL Browser service is running on the server.5) If firewall is enabled on the server, you need to put sqlbrowser.exe and/or UDP port 1434 into exception. Once you are done the steps, you should not see this error message anymore. You may still fail to connect your SQL server, but error message should be different and you have a different issue now. [Update: If it still fails, you may replace serverinstance with tcp:serverinstance and/or np:serverinstance and see if it succeeds with either TCP or NP protocol. That way, you can isolate the issue a little bit. ] There is one corner case where you may still fail after you check
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Error 26 In Sql Server 2008
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Edition 2014 fail? 0 I’ve just installed SQL Server 2014 Express edition on my W7 work station. Please help me to connect to the new instance from my old kind Windows XP. Command line sessions below provide details (remote access is allowed). Google search did not help much. On computer that hosts the new instance (10.0.0.100, "server" workstation) both instances are accessible: C:\1>hostname FDE-HQ-WK4 C:\1>sqlcmd -Sfde-hq-wk4\sql2014 -Usa -Pdbasql -Q"select @@version select @@servername" ---------------------------------------------------------------------------------------- Microsoft SQL Server 2014 - 12.0.2000.8 (Intel X86) Feb 20 2014 19:20:46 Copyright (c) Microsoft Corporation Express Edition on Windows NT 6.1