Cannot Connect To Database Engine

Apr 30, 2008

Hi,

I've just installed a brand new instance of SQL on a new server. It's for our Helpdesk/Inventory software. All I needed to install was the DB Components and the Tools (primarily for Management Studio). I did not install SQL as a default instance, but called it TRACKIT8 (software using this instance). I have subsequently installs SP2 before trying to connect to the DB.

I am unable to conect to the DB Engine via Management Studio. In the Server name: field, there is a blank space, so I try to browse for a server, but I get nothing. I try to manually type the name of the server (NIASSQL2, localhost etc) into the field, but I cannot connect to the engine at all. I can see the services for the Server and Server Agent have started in the SQL Server Configuration Manager and I am able to change certain field in the properties of the Server and Agent (change the path of the error logs).

Is there something I am supposed to configure before I try to connect via the Management Studio? I am looking to change the paths of the Data Files, as I don't want them on my C: partition. Plus I have other instances I want to create and install. Any help would be greatly appreciated.

Cheers.

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Cannot Connect To Database Engine

Jan 7, 2012

i installed sql server 2005 but cant connect to database engine. i write (computer name)sqlexpress but it failed. error is:

TITLE: Connect to Server
------------------------------
Cannot connect to rezasqlexpress.
------------------------------
ADDITIONAL INFORMATION:

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)

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I Cannot Connect To The Database Engine ...

May 4, 2007

I can connect to Analysis Service and Integration Service but I can not connect to the Database Engine. I receive the following error message:



Cannot connect to homebase.

Additional Information:

An error has occurred whlie establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server doesn not allow remote connections. (provider: SQL Network Interfaces, error: 25 - COnnection string is not valid)(Microsoft SQL Server, Error:87)


(Click on OK to continue)

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May 22, 2007

Hi! I have a little problem and I need your help.

I have recently installed SQL Server 2005 Developer Edition. I did not install all the features, just the Database engine and Analysis Services. I also updated everything with SQL Server SP2.

So far, so good. But when I tried to connect to the Database Engine, I get a little window with the following message:

"Cannot connect to Valentin-PC (server name)."

"Login failed for user - User Name - ( Microsoft SQL Server, Error: 18456 )".

I have tried just about everything, but to no avail. What is strange is the fact that I can connect to the other server type that I have installed (Analysis Services). No connection problems there.

Can anyone help?

Mucho gracias!

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Sep 21, 2007

I just installed SQL server Enterprise 2005 and connected database engine in SQL server management studio, but it is blank space when choose 'browse for more' at server name field. What's reason to cause this problem?



Questions for this problem:

1. Do I need to open the TCP port 1433 in firewall by hand for connect database engine?

2. I can€™t find the sqlbrowser.exe in SQL server/90/ folder, can I copy this file into it.

3. The SQL server mobile is work; I can connect the new created database. What€™s different to use SQL server mobile and database engine?

4. I got five discs from Microsoft; I have installed DVD server application and pack 2. Do I need to install the library?


Thanks for any help.

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I got to know that this can happen due to unexpected reboot of server. I checked my server and it had actually restarted unexpectedly.URL...

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Jan 20, 2008



I am trying to run MS SQL Server Management Studio Express. According to what I read, I can connect by selecting Database engine, then on server name, I put my computer name sqlexpress. I am using Windows Authentication. Every time, I get:

TITLE: Connect to Server
------------------------------
Cannot connect to kennethsqlexpress.
------------------------------
ADDITIONAL INFORMATION:
An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=-1&LinkId=20476
------------------------------
BUTTONS:
OK
------------------------------

What am I doing wrong? Thanks for helping me to stop pulling my hair out.

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Sep 24, 2007

Hello
I've just installed 'SQL server 2005' and it installed the components like .Net2.0 and visual studio 2005 . before installing them I had uninstalled sql server2000 . I ran SQL management studio and tried to connect and makin' servers it doesn't allow me to connect or making any new servers...... it gives me this error
Cannot connect to local.
Additional information:
An error has occured while establishing a connection to the server. ......
error:53)
 
need to solve it....
 
 

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Feb 16, 2008



I am working (or trying to work) in Management Studio. I have one database that I use on my one and only machine. ( I am not using any of the default databases.) I have several queries saved as files, which I open as needed. Every time I open a file I get that VERY ANOYING Connect to Database Engine dialog box. OK, it's no big thing. I don't use Server Authentication so all I have to do is hit enter and I get connected. But why should I even have to hit enter once after I'm already connected?

How can I MAKE IT STOP?

Thanks,

Gregory

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Dec 12, 2007

I finally got SQL Server 2005 installed on my Vista Ultimate computer and now I can't connect in SQL Server Management Studio.

I've got a named instance; use the built-in system account; windows authentication mode. I try to connect to

Server type: Database Engine
Server name: RAYWOERNER-PCRAYWOERNER
Authentication: Windows Authentication


and it fails. Please help.

Thanks,

Ray

Here are the technical details:


===================================
Cannot connect to RAYWOERNER-PCRAYWOERNER.
===================================
Login failed for user 'RayWoerner-PCRay'. (.Net SqlClient Data Provider)
------------------------------
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=18456&LinkId=20476
------------------------------
Server Name: RAYWOERNER-PCRAYWOERNER
Error Number: 18456
Severity: 14
State: 1
Line Number: 65536

------------------------------
Program Location:
at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
at System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK)
at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject)
at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart)
at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance)
at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance)
at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection)
at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup)
at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.SqlClient.SqlConnection.Open()
at Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.ObjectExplorer.ValidateConnection(UIConnectionInfo ci, IServerType server)
at Microsoft.SqlServer.Management.UI.ConnectionDlg.Connector.ConnectionThreadUser()

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Mar 12, 2007

Hello,
I have installed SQL Server 2005 in my PC and during the installation I
have created a predefined instance (I have used Windows autentication).
I could use correctly SQL Server till some days ago, when I changed the
password of my PC login profile.
Now, when I open SQL Server, if I click on the "Connect" button,
the following error message appears (I translate it from italian version)

Unable to connect to "CARLO"
Further information:
An error has occurred while you were trying to establish a connection to
the server. When you connect to SQL Server 2005, this error can be generated
because SQL Server doesn't allow remote connections under the predefined
settings. (provider: Provider Named Pipes, error: 40 - Unable to open a
connection to SQL Server) (Micorsoft SQL Server, error:2)

I'm sure that the error raises because I have changed my PC access
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Thank you very much

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OK.

I'm using Microsoft SQL Server 2005 Developer Edition and I installed it under "Local System" on Microsoft Windows Vista Ultimate.

I understand that there are issues of course that occur with this, however I can't seem to understand why what I'm doing isn't working. I'm not using this on any server, just to test out ASP.NET 2.0 applications - nothing more.

I'm getting this error:


TITLE: Connect to Server
------------------------------

Cannot connect to RUSSPC.

------------------------------
ADDITIONAL INFORMATION:

An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 2)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=2&LinkId=20476

------------------------------
BUTTONS:

OK
------------------------------

I've installed this via a mixed authentication (as suggested by www.wrox.com).


I tried enabling the TCP/IP and named pipe connections, just as previous people have done, but it hasn't worked. Nor has enabling the SQL Browser.

I'm really at a loss on what to do.

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It looks so useful, but is frustrating not knowing how to use it.

Thanks,

-Rob

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Hallo there,

I just upgraded from Windows XP Pro to Windows Vista Bussiness and tried to reinstall SQL Server 2005 Developers Edition. After the installation i downloaded (using microsoft windows update) and installed all the service packs for sql and vista available.

My problem is when i open sql server management studio and try to connect to my default instance using windows authentication and database engine, an 18456 error occurs.

I enabled all the protocols and all the ports
I disabled windows firewall and antivirus (eset nod32)
I installed all service packs available
I have also installed Visual Studio 2005 without installing sqlexpress

But nothing happens!

Please i am very desperate, any information will be gratefully accepted.

This is my installation Information



Code Snippet

Microsoft SQL Server Management Studio 9.00.3042.00
Microsoft Analysis Services Client Tools 2005.090.3042.00
Microsoft Data Access Components (MDAC) 6.0.6001.18000 (longhorn_rtm.080118-1840)
Microsoft MSXML 3.0 5.0 6.0
Microsoft Internet Explorer 7.0.6001.18000
Microsoft .NET Framework 2.0.50727.1434
Operating System 6.0.6001


Thank you in advance,
Patonios


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[code]...

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