SqlDataSourceEnumerator Not Finding The Local Named Instance?

Jun 19, 2007

We are seeing some very strange behavior on installation for our application when it is trying to enumerate the available SQL Server instances. On some machines (not yet determined why) the SQL Browser service is apparently able to locate remote instances but not the local instance. This does not seem to map to any firewall or TCP/IP settings which we can determine. We have gone to the extent of uninstalling all associated firewall and antivirus products, and the problem persists.



For the moment, we are working around this problem by interrogating the registry for the instances installed locally, but this seems unsatisfactory in the long run. Is there any possibility that other instances of SQL Server Express or MSDE have somehow disabled our ability to see local instances? I would really like to find a better solution to this problem.



Andrew Raymond, MCAD.NET

Senior Developer

Mitchell 1

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SQL Server Admin 2014 :: Cannot Connect To Named Instance (2nd Instance) From Local SSMS

Jul 22, 2015

I've two instances(Default, Named[dynamicsFINANCE]) running on SQL server 2014. However, when I try to connect to named instance say (dynamicsFINANCE) using SQL authentication from local SSMS, I get below error message:

A network-related or instance-specific error occurred while establishing 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) (Microsoft SQL Server, Error: -1)

I assigned a static port number to the named instance [dynamicsFINANCE] 1450. I also setup the firewall rule to allow access to Port 1450.

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DB Engine :: Cannot Connect To Named Instance From Local SSMS

Jul 22, 2015

I've two instances(Default, Named[dynamicsFINANCE]) running on SQL server 2014. However, when I try to connect to named instance say (dynamics FINANCE) using SQL authentication from local SSMS, I get below error message.A network-related or instance-specific error occurred while establishing 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) (Microsoft SQL Server, Error: -1)I assigned a static port number to the named instance [dynamicsFINANCE] 1450. I also setup the firewall rule to allow access to Port 1450.

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Dec 27, 2007

my local instance of reporting services is named and therefore I think causing me a problem when I issue the following command to set up an unattended account...

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Anybody know how to do this?

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Mar 20, 2014

I have a 3 node cluster on which I have installed SSAS as it's own insntance. I have created this as a named instance and can connect to it by serverinstance if I'm on the server itself. However from my desktop I get the error saying instance was not found on server name.

I have defined an alternate port and setup firewall rules and can connect via server:port but not serverinstance. Prior to making this change SSAS was running on default port of 2383 and I could connect just by servername.

I have read many articles for previous versions saying that clustered SSAS will always use 2383 and that you must connect just using servername. However and this is were it gets strange. I have a 2 node UAT cluster with SSAS setup exactly the same way I've described above and I can connect from my desktop as serverinstance.

Should I be able to connect as serverinstances for a named clustered instance in 2012 ?

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Feb 19, 2007

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So, in otherwords, here is what I want to achieve:

Current Server: SQL2K: SERVER_AINSTANCE_A (named instance)

Upgraded Server: SQL2K5: SERVERB (default instance)

If I have both default, I could achive this by setting up DNS alias after migration done so that any call for SERVER_A would point to SERVER_B. But in my case, I don't have SERVER_A, I have named instance. Is there any solution?

Regards,

Vipul

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Oct 10, 2001

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Has anyone ran into similar problems?
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Mar 2, 2007

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Bryan

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Aug 24, 2006

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Does anyone know if I can rerun the SQL Server Install and add a DEFAULT Instance to this box without disrupting the other Named Instances???

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Oct 30, 2007

I installed SQL Server 2005 recently on a cluster. I didn't go for the default instance and instead I named the instance option. Now I would like to migrate everything from the named instance to the default instance, which I haven't yet installed.

Is this an easy process? What about the logins and the maintenance plans and jobs? Is there anything else I need to be aware of?

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Apr 13, 2007

Hi

I've never had to do this, but when I downloaded the Web Workflow Approvals Starter Kit, it requested that I install the database into a User Instance of .SQLEXPRESS.

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Cheers

Chris

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Nov 15, 2007

The box I am trying to connect to is running two instances of SQL Server.
There is a SQL Server 2005 instance which is the default. There is a SQL Server 2000 instance which is named 'SQLSERVER'.
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<add key="ConnectionString" value="server=MYPC;database=mydatabase;user id=****;password=****" />
 but it doesn't work. I have tried explicitly setting SQL Server 2005 to use port 1434 (as SQL Server 2000 is running on port 1433), and then used:
<add key="ConnectionString" value="server=MYPC,1434;database=mydatabase;user id=****;password=****" />
but this doesn't work either.
 
Am I mssing something here? Any help much appreciated
Thanks...
 

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Is Using A Named Instance Better Over Using A Default Instance??

Jan 17, 2007

If you were asked to install SQL 2005 on a machine, would u install a default instance or a named one? And why would u choose one over the other?? Also, r there any issues with using a default instance?

Thank you for all your help.

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Sep 4, 2003

I am running SQL2k SP3 with a default instance. I have recently added a second, named instance. When I try to connect to the named instance through Enterprise manager, it often times out. I never get a timeout accessing the default instance. Is there something I missed when setting up the second instance that is causing this access delay?

Thanks,
Ken Nicholson

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Mar 18, 2008

What is the easiest way to check wether a server has named instance or not? Is there a command from DOS?


------------------------
I think, therefore I am - Rene Descartes

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Jan 3, 2004

Hi,

How can i connect to Named Instance of MSDE on remote server from Enterprice Manager in my local computer ?

Instance name is Helm

I can connect inside server like

osql -S -E .Helm

But how i access from remote machine using Enterprice Manager ?

Regards,

Yujin Boby

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May 26, 2004

Hi, all.
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thank you..

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Apr 5, 2007

Hi,

I have sql2005 sp1 active-active installation.

I've fixed the named instance port.

I can't reach it from clients with i'ts name (servernameinstancename) .

I manage to rech it only by using servername, ip-port.

The sql browser has the following error:

"The configuration of the AdminConnectionTCP protocol in the SQL instance GILBOACL is not valid."



your help is appreciated!



Shahar



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Feb 3, 2006

Hi,

I did install SQL-server developer edition. During the installation it asked me the name of de instance. I let the installation create the default Named instance.

Now I want to add an instance with a new name. What is the best way to do this? Is this the same as creating a Notification service?

Doeb

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Mar 27, 2008



I have sql2000 and sql2005 on one machine.
When I try to query a named instance of sql2005 from query analyzer in sql 2000 I recieved an error regarding an entry not being in the sysservers table. I added an entry pointing to the new install of sql2005. Now I get an error message saying
Server: Msg 170, Level 15, State 1, Line 2
Line 2: Incorrect syntax near '-'.
My server name is BB-SERVER1 It definitly does not like the hyphen. Any thoughts?
Changing the server name is not really an option.

Greg

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Jan 9, 2007

We want to rename our instance and I understand there isn't a straightforward way to do so. I'm prepared to run SQLEXPR again to create the new named instance. However, I'm not clear on how to remove the other named instance once the data files have been moved over. I do not want the old service "SQL Server (<old_named_instance>)" to be running. I would also like the files "C:Program FilesMicrosoft SQL ServerMSSQL.1" removed along with the registry entries for this instance.

I tried running SQLEXPR with a /? option but that invoked the installer and did not give me the command line options. Is there a simple way to remove a specific named instance? Thanks.

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Named Instance Problem

Oct 25, 2007



Hi everybody,

Here is my problem: I'm setting up a new computer with SQL 2005 to replace the old one with SQL 2000. What I want to do is to transfer all the data from the SQL Server 2000 to the 2005 then rename the 2005 from the temp name to the same name as the SQL 2000, so all the pages can connect to the 2005 instead of the 2000. The problem right now is that all of the pages that that are being published within the network is calling the SQL 2000 by it instance only eg: Data Source = MainSQLServer. With the SQL 2005 I can't just call the instance in the connection string, it requires that the computer's name and the instance be provided, eg: \computer_nameinstance_name. I can't go back and edit every single one of the pages being served. So I need to configure the SQL 2005 in a way that all of the existing pages can access it with the same connection string that is in use right now to connect to the SQL 2000.




Thanks for the help!

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Creating A New Named Instance

Sep 7, 2007


As understand it, the only way to add another SQL Express 2005 named instance is to run SQLEXPR32.EXE again. However, when you to, right at the end, you get the following error message:

"An installation package for the product MS SQLK Server VSS Writer cannot be found. Try the installation again using a valid copy of the installation package 'SQLWriter.msi'"

So, I deleted all named instances, and the repeated the procedure and did not get this error and it installed fine. Obviously, I would not be able to delete all instances, but in this case it didn't matter.

So, here are my questions:

Question 1) Am I correct you must rerun SQLEXPR32.EXE to create a new named instance? (I think the answer is yes)

Question 2) Is there a way to rename an existing named instance? (I think the answer is no)

Question 3) The install/uninstall for SQLEXPR32.EXE is incredibly buggy. I have spend days trying to remove an named instance with no succes. Once your remove all named instances from Control Pannel, you stll have not removed SQL Express 2005. How do you remove it? We are considering other avenues because of the incredible problems with this product. Also, we inadvertantly installed SQL Express 2005 Advanced Services, when we meant to install SQL Express 2005, so we would like to uninstall Advance Serviuces and reinstall SQL Express 2005

Question 4) I am switching from the Outlook Express newsgroups to these groups. In the context of these groups, what is the difference betwee a Forum and a Newsgroup?

Thanks
Bob

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Routing Fro A Named Instance?

Mar 12, 2008



Hi There

I cannot find anything online or in BOL about the proper format for a named instance in the routing address.

is it simply

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or do you need to provide the port number for the instance.Not sure if TCP recognises the instance part?

Thanx

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Dec 7, 2007

Hi all,

I have some questions regarding Clustering.

(1) Can we create Default Instance & Named Instance in the clustering environment (i.e.) two instances in clustering on same hardware.

The idea here is , to put some highly transactional databases on default instance ( and giving 5 CPU's to Default instance ) and on the Named Instance ( giving 3 CPU's for Named Instance) in CLUSTERING ENVIRONMENT.

(2) Can anyone guide me , how can we restrict the instances to take 5 Cpu's & 3 Cpu's repectively Iin CLUSTERING ENVIRONMENT.

Thanks.


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How Can I Get The Port Of A Named Instance Of SQL Server

Sep 14, 2004

Thanks for Microsoft's Windows XP Service Pack 2 and Windows Server 2003 that make the security much stronger. However, besides the invisible benefit so far, I have become the victim of this security policy.

I have several named instances of SQL 7/2000 installed in my machine. They are not visible out of the Microsoft new fire wall. I need to access the instances from outside the fire wall, but I don't know which port I should open for the instances.

From SQL online, the default instance of SQL server is connected through TCP/IP by default port 1433. I could successful open that port and made the default instance visible to outside. However, the port 1433 doesn't work for the named instances. SQL online said, the port for named instance is dynamically (by default) chosen the first time the instance is started. So, actually, I have no way to know the port.

Is there anyway that I can check the database or somewhere to get the port that is used by the named instance?

Thanks for any input and recommendation.

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Alias For SQL 2000 Named Instance

Aug 12, 2002

We have a two node activepassive SQL Server 2000 cluster SP2 running on Window 2000 advanced server SP2. Everything is working fine including failover. Today we migrated over our 7.0 databases to the SQL cluster and they attached fine and upgraded fine but we would like to shutdown the 7.0 server and bring up the clustered SQL Server under the old name. We will be running 3 instances of SQL Server 2000 on the Cluster so at least 2 of these will be named instances like this: "Virtual serverinstance". Is it possible to create an alias for this SQL Server so that we could access the server under the original name of the server???
Thanks!!!
Bruce

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Apr 10, 2008

Hi All,

We have two Baan erp servers 1) SQL2005 on windows 2003 server 2) SQL2000 on windows 200 server.

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We have been trying to access the data in these two database instances from the second server for our baan erp application on it. Now, we are able to see the data for default instance, but if we try to fetch the data from named instance we end up getting dberror 17.

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thanks,

Jatin

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Feb 18, 2004

How to connect to the named instance of SQL Server using Java?
I had the following code working fine(but with the default instance only)

SET JAVA_HOME=D:Program FilesJavaSoftJRE1.3.1_03

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But the same code is failing with the named instance:
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Feb 19, 2004

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Jun 16, 2008

We have installed SQL 2000 SP4 on Windows 2000 Server. We created named instances on the SQL server.
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But, remote connections are enabled on the SQL server.
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Dec 20, 2007

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<StopExecutingPackagesOnShutdown>true</StopExecutingPackagesOnShutdown>
<TopLevelFolders>
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<ServerName>MYSERVERNAMEMYINSTANCENAME</ServerName>
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<Folder xsi:type="FileSystemFolder">
<Name>File System</Name>
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</TopLevelFolders>
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Thanks, Dave

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