Error Locating Server/instance Specified Sharepoint
Contents |
★★★★★★★★★★★★★★★ 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 is error locating server instance specified sql 2008 r2 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 TCP
Sql Server Network Interfaces Error Locating Server Instance Specified Xffffffff
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 server and provider sql network interfaces error 26 error locating server instance specified 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 checked step 1)-4). It
log in tour help Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and error 26 error locating server instance specified sql server 2012 policies of this site About Us Learn more about Stack Overflow the
Error 26 In Sql Server 2014
company Business Learn more about hiring developers or posting ads with us Database Administrators Questions Tags Users Badges Unanswered
Error 26 In Sql Server 2008
Ask Question _ Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. https://blogs.msdn.microsoft.com/sql_protocols/2007/05/13/sql-network-interfaces-error-26-error-locating-serverinstance-specified/ Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top How do I troubleshoot error 26: “Error Locating Server/Instance Specified” up vote 4 down vote favorite I'm trying to configure TCP access to my SQL Server named instance (named SQL2012). http://dba.stackexchange.com/questions/105693/how-do-i-troubleshoot-error-26-error-locating-server-instance-specified I use management studio to connect to the database engine. I type in the server name: "tcp:localhost\SQL2012" and I receive this error message: (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) This post by the SQL Server team seems to be really useful, in it they suggest testing out the SqlBrowser service using PortQry. When I do, I get this info: Querying target system called: localhost Attempting to resolve name to IP address... Name resolved to 127.0.0.1 querying... UDP port 1434 (ms-sql-m service): LISTENING or FILTERED Sending SQL Server query to UDP port 1434... Server's response: ServerName MSWART7 InstanceName SQL2012 IsClustered No Version 11.0.5058.0 tcp 52329 ♥K K P☺K 5 - 2 1 qK 1 4 rK 8 7 0☺ 1 qK ==== End of SQL Server query response ==== And sure enough, I'm able to connect to the database when I specify the server name "tcp:localhost,52329" I'm not sure what I'm missing. SQL Browser seems to be functioning and ports and firewalls seem to be open or irrelevant (I'm trying to connect to localhost). Where do I look next? sql
for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site http://sharepoint.stackexchange.com/questions/37444/central-administration-shows-error-26-a-network-related-or-instance-specific-e About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us SharePoint Questions Tags Users Badges Unanswered Ask Question _ SharePoint Stack Exchange is a question and answer site for SharePoint enthusiasts. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The error locating best answers are voted up and rise to the top Central Administration shows error 26 - A network-related or instance-specific error occurred while establishing a connection to SQL Server up vote 1 down vote favorite i Follow this Article to Config FBA , BUT after Step 3 , My Central Administration shows an Error : A network-related or instance-specific error occurred while establishing error locating server a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 – Error Locating Server/Instance Specified) Correlation ID: 89651359-9c57-4241-8254-eb3be052c4f0 Now , i cannot access to my Central Admin Setting (All links in page), but my site Collections works well.... i Rollback all setting but no Effect !!!!! i execute iisreset but nothing !!!! what should i do? please help me.. Thanks in Advanced sharepoint-foundation forms-authentication share|improve this question edited Jun 6 '12 at 18:18 Zork 1,4201821 asked Jun 1 '12 at 7:19 mohammad 62 add a comment| 2 Answers 2 active oldest votes up vote 1 down vote Make sure you're not switching Central Admin for use Forms authentication and using any of the FBA providers as default share|improve this answer answered Jun 1 '12 at 8:28 Per Jakobsen 29k12049 add a comment| up vote 1 down vote i find the Answer (Follow this Thread) it's for Web.Config file of Central Admin share|improve this answer answered Jun 6 '12 at 8:5