Cannot Connect To SQL Server 2005 Instance

Jan 17, 2008

I have installed SQL Server 2005 on two boxes and installed client tools only on my local machine.
I cannot connect to either machine.
I also have the "Error 26 problem - does not allow remote connection etc."
Of my two remote servers, one is virtual the other is not.

I cannot establish a connection through the "Microsoft SQL Server Management Studio" tool on my local machine using:
Severname: ServerNameInstanceName
Authentication: Either Windows or SQL Server
Eveything is enabled (TCPIP, Name Pipes), no firewall
SqlBrowser is running
I have SQL Server 2000 also installed on the same server machines and I am able to connect to this.
I tried using IP addresses and port numbers as follows (NB ServerName implies alias or ip address) and portnumbers I have tried are 1433 and 1766:

ServerName,portnumber
ServerNameInstanceName,portnumber

It either connects to the 2000 or gets the error 26 problem.

Any help would be appreciated.

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Cannot Connect To 2nd Instance Of Sql Server 2005

Mar 9, 2008


OS: Windows 2003 Server Enterprise Edition
SQL Server: SQL Server 2005 Enterprise Edition (2 instances)
SQL Server : SQL Server 2000 Enterprise Edition ( 1 instance)


Problem:
2nd instance of sql server 2005 installed and service pack 2 applied
when using SS Mangement Studio I get the error:

Cannot connect to <ServerName>MSSQL2K5_2.
===================================
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: TCP Provider, error: 0 - A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.) (.Net SqlClient Data Provider)
------------------------------
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=10060&LinkId=20476
------------------------------
Error Number: 10060
Severity: 20
State: 0

------------------------------
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.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, SqlConnection owningObject)
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()


Open MyComputer
Services & Applicaitons | Services
SQL SERVER (<SERVER NAME> MSSQL2K5) STARTED
SQL SERVER (<SERVER NAME> MSSQL2K5_2) STARTED
SQL AGENT (<SERVER NAME> MSSQL2K5) STARTED
SQL AGENT (<SERVER NAME> MSSQL2K5_2) NOT STARTED


Application Event Log



SQLServerAgent could not be started (reason: Unable to connect to server 'BLUESTONEMSSQL2K5_2'; SQLServerAgent cannot start).



SOURCE: MSSQL%MSSQL2K5_2

Server is listening on [ 'any' <ipv4> 2777].

DAC is listening on [ 'any' <ipv4> 2778]

<SQL ERROR LOG> AND <APPLICATION EVENT LOG ENTRY>

The SQL Network Interface library could not register the Service Principal Name (SPN) for the SQL Server service.

Error: 0x54b, state: 3.

Failure to register an SPN may cause integrated authentication to fall back to NTLM instead of Kerberos.

This is an informational message.

Further action is only required if Kerberos authentication is required by authentication policies.




CONFIGUATION MANGER
Alias is configured with correct port. (2777)
Protocol TCP/IP








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Aug 16, 2007

Hi:

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I can connect to it by using sa only. I need to use SQL login.

I created another user called 'test' and granted with sysadmin server role, but I got following error:

Login failed for user 'test'. (Microsoft SQL Server, Error: 18456)

I searched on the internet two days with no luck.

Any idea?

Thanks in advance.

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Hello,

I just installed SQL Server 2005 Enterprise edition from my company's DVD. It was installed with the setting of using both Integrated windows authenitication as well as basic named authenication. I installed all the options too: Database Engine, Analysis Services, Reporting Services, SQL Server compact edition, and Integration Services. When I look at services there are: SQL Server Integration Services, SQL Server Analysis Services, SQL Server Reporting Services, and SQL Server Browser. All of which are running. Something that took me offguard was the installation did not ask me to provide an SA password. Other than that, the install looked like it went good.

I was able to connect to the local instance of the SQL Server 2005 using the SQL Server Management Studio. I could connect with SA, or connect with Integrated Windows Authenication. Whoohoo. Off and running! As a matter of fact, for the SA account I could use any password and it would still log me in.

First thing I did was I went in to the copy wizard to attempt to copy a database from a server on our network to my local box. First it asked me for the remote server. Then when I specified my local instance in the wizard, the wizard complained that my local instance was NOT SQL Server 2005. Doh! This I didn't understand. I figured maybe I need to check for MS updates. Sure enough, I found that ther was a SP2 and then a hot-fix for that SP2. I applied both. Now I cannot connect from SQL Server Management studio to my local instance of SQL Server 2005 database server. I get the following error:

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However, I went in to see what other services I could connect to, and here's the results:

Analysis Services : OK!
Reporting Services (Windows Auth/Basic/Forms) : NG "The reporting Services Instance could not be found (Microsoft.SqlServer.Management.UI.RSClient)"
SQL Server Compact Edition : NG "The database cannot be found. Check the path to the database. [ File Name = CCG092 ] (SQL Server Compact Edition ADO.NET Data Provider)
Integration Services : OK!

I can connect to other SQL Server databases on our network. However, just not my local one. No one on the network can connect to me either.

I even turned off my windows firewall and still no luck connecting to my own.

So something really went wrong when I applied SP2, however, admittedly from the error message when I tried to use the copy wizard, something was probably already wrong.

Any ideas?

Thanks!

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May 11, 2007

i Update SQL Server 2005 SP1 to SQL Server 2005 SP2 but cannot connect SQL Server 2000 SP4. Please Help Me Please



===================================

Cannot connect to sia09-cxdb01cxdb01.

===================================

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) (.Net SqlClient Data Provider)

------------------------------
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=-1&LinkId=20476

------------------------------
Error Number: -1
Severity: 20
State: 0


------------------------------
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.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, SqlConnection owningObject)
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.ConnectionDlg.Connector.ConnectorThread()

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TITLE: Microsoft SQL Server Management Studio
------------------------------

Login failed for user 'xxxx'. (Microsoft SQL Server, Error: 18456)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=18456&LinkId=20476

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

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

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

Cannot connect to sia09-cxdb01cxdb01.

------------------------------
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)

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

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

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Dim strCON As String = _

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TITLE: Connect to Server
------------------------------
Cannot connect to fred.
------------------------------

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: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 53)

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

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Dec 12, 2006

I'm having a problem connecting with a Java application but I CAN connect using my .Net application - the user name and password are the same for both (using the same database on SQL Server Express 2005).

The error I get is: "com.microsoft.sqlserver.jdbc.SQLServerException: Cannot open database "CORNERS" requested by the login. The login failed." An interesing note - I get the same message if the database is not running.

SQL Server Express 2005 is installed in mixed mode.

Here is my connection string in the .Net appplication: <add key="connectString" value="Server=(local);UID=sa;PWD=myPasswd;Database=CORNERS" />.

These are my values in my Java app web.xml -

<init-param>
<param-name>DBDriver</param-name>
<param-value>com.microsoft.sqlserver.jdbc.SQLServerDriver</param-value>
</init-param>
<init-param>
<param-name>DBURL</param-name> <param-value>jdbc:sqlserver://localhostsqlexpress:1055;databaseName=CORNERS</param-value>
</init-param>
<init-param>
<param-name>DBUser</param-name>
<param-value>sa</param-value>
</init-param>
<init-param>
<param-name>DBPwd</param-name>
<param-value>myPasswd</param-value>
</init-param>.

And yes, the port is 1055 - I checked to find it.

I am using Microsoft SQL Server 2005 JDBC Driver 1.0 (sqljdbc_1.0.809.102).

Does anyone have any idea what is wrong so that the login fails in the Java application but works in the .Net application?

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