Certificate empty in registry. No IP connected to SQL Server instance

Hello,
I have  a SQL Server 2008r2 instance running on Windows 2008 clustered physical server.  The instance starts, then fails with the following:
2014-01-02 08:41:28.82 Server      Error: 26054, Severity: 16, State: 1.
2014-01-02 08:41:28.82 Server      Could not find any IP address that this SQL Server instance depends upon.  Make sure that the cluster service is running, that the dependency relationship between SQL Server and Network Name resources
is correct, and that the IP addresses on which this SQL Server instance depends are available.  Error code: 0x103.
2014-01-02 08:41:28.82 Server      Error: 17182, Severity: 16, State: 1.
2014-01-02 08:41:28.82 Server      TDSSNIClient initialization failed with error 0x103, status code 0xa. Reason: Unable to initialize the TCP/IP listener. No more data is available.
2014-01-02 08:41:28.82 Server      Error: 17182, Severity: 16, State: 1.
2014-01-02 08:41:28.82 Server      TDSSNIClient initialization failed with error 0x103, status code 0x1. Reason: Initialization failed with an infrastructure error. Check for previous errors. No more data is available.
2014-01-02 08:41:28.82 Server      Error: 17826, Severity: 18, State: 3.
2014-01-02 08:41:28.82 Server      Could not start the network library because of an internal error in the network library. To determine the cause, review the errors immediately preceding this one in the error log.
2014-01-02 08:41:28.82 Server      Error: 17120, Severity: 16, State: 1.
2014-01-02 08:41:28.82 Server      SQL Server could not spawn FRunCM thread. Check the SQL Server error log and the Windows event logs for information about possible related problems.
I found:  http://support.microsoft.com/kb/2023869.  I believe this will resolve my issue, however the command is not quite right.  I cannot execute as in the article, but I can run certutil
-store.   There are 4 certificates in the file.  Which do I use?  Excerpt of file below - there are 0-3 Certificates in the file.
CA
================ Certificate 0 ================
Serial Number: 06376c00aa00648a11cfb8d4aa5c53f4  (numbers changed to protect the innocent)
Issuer: CN=Root Agency
 NotBefore: 5/28/1996 4:02 PM
 NotAfter: 12/31/2039 5:59 PM
Subject: CN=Root Agency
Signature matches Public Key
Root Certificate: Subject matches Issuer
Template:
Cert Hash(sha1): fe e4 49 ee 0e 39 65 a5 24 6f 00 0e 87 fd e2 a0 65 fd 98 d4 ((numbers changed to protect the innocent)
No key provider information
Cannot find the certificate and private key for decryption.
My certificate value under this registry key is empty.
Any help appreciated,
Dianne
Dianne

Hello ,
Please check below link
http://social.msdn.microsoft.com/Forums/sqlserver/en-US/cc39d8cb-bc64-48e6-8368-24886481dd4f/sql-server-cluster-sql-server-resource-not-coming-online?forum=sqlsetupandupgrade
http://blogs.technet.com/b/taraj/archive/2009/01/07/could-not-find-any-ip-address-that-this-sql-server-instance-depends-upon.aspx
Please mark this reply as the answer or vote as helpful, as appropriate, to make it useful for other readers

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      //// <MyInternetIp> would be my actual IP address.
      //// - (which works for other servers that i have manualy registered
      validIPs = new List<string>() {"0.0.0.0", "<MyInternetIp>"};
      CreateFireWallRule(client, response.ServerName, validIPs);
    //// Adds IP to Azure firewall.
    private static void CreateFireWallRule(SqlManagementClient client, string azureServerName, IEnumerable<string> validIPs)
                foreach (string ip in validIPs)
                    FirewallRuleCreateParameters rule = new FirewallRuleCreateParameters() { Name = string.Format("Allow {0} - {1}", Environment.MachineName, ip), StartIPAddress
    = ip, EndIPAddress = ip };
                    client.FirewallRules.Create(azureServerName, rule);
    /// Error
    System.Data.SqlClient.SqlException was unhandled
      HResult=-2146232060
      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: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)
      Source=.Net SqlClient Data Provider
      ErrorCode=-2146232060
      Class=20
      LineNumber=0
      Number=53
      Server=""
      State=0

    Using SqlManagementClient I SUCCESFULLY create a new Azure SQL Server.
    ServerCreateResponse response;
    SubscriptionCloudCredentials creds;
    X509Certificate2 cert;
    cert = CredentialUtil.GetCertificate(parameters.CertificateStoreName, parameters.CertificateStoreLocation, parameters.CertificateThumbprint);
    creds = new CertificateCloudCredentials(parameters.AzureSubscriptionId, cert);
    using (SqlManagementClient client = new SqlManagementClient(creds))
                    response = client.Servers.Create(new ServerCreateParameters()
                        AdministratorPassword = parameters.SqlPwd,
                        AdministratorUserName = parameters.SqlUser,
                        Location = parameters.Location
                    if (response.StatusCode == HttpStatusCode.Created)
                        CreateFireWallRule(client, response.ServerName, parameters.ValidIPs);

  • Central Administration shows error 26 - A network-related or instance-specific error occurred while establishing a connection to SQL Server

    Hello 
    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 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 , 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
    When i was checking EventViewer , i saw an Event log    :
    The Forefront Identity Manager Service cannot connect to the SQL Database Server. The SQL Server could not be contacted. The connection failure may be due to a network failure, firewall configuration error, or other connection issue. Additionally,
    the SQL Server connection information could be configured incorrectly. Verify that the SQL Server is reachable from the Forefront Identity Manager Service computer. Ensure that SQL Server is running, that the network connection is active, and that the firewall
    is configured properly. Last, verify the connection information has been configured properly. This configuration is stored in the Windows Registry.
    Is there any relation between this message And my Problem!!!???

    hi Mr Thuan
    Soldier
    i checked
    some of your Solution like SQLService (Was OK) , Allow Remote connection (was OK & has check mark), Restart SqlService (Done Successfully),  Network Card Driver (my Connection is OK) before , but didnot check SQL
    Service account & i will do Soon,
    but
    i did not any changes on Firewall or IP ... i change IIS setting (through
     this
    Article ) ,
    Do these settings have any effect on IP or  firewall ?
    thanks
    mohamamd
    MBS - social.technet.microsoft.com Forum

  • Can't Create a Data Source - Failed to test connection. [DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied

    Hi there,
    I am having a serious issue with The Power BI Data Management Gateway which I am hoping that someone can help me with.
    Basically I am setting a connection between a Power BI demo site and a SQL 2012 Database based on Azure. The Data Management Gateway and is up and running, and Power BI has managed to connect to it successfuly.
    By following the tutorials at
    here I was able to successful create my Data Connection Gateway with a self-signed certificate.
    However, when trying to create the data source I come into problems. The Data Source Manager manages to successfully resolve the hostname, as per the screenshot below:
    Bear in mind that I exposed the require ports in Azure as endpoints and I managed to modify my hosts file on my local machine so I could access the SQL server hosted in Azure using its internal name -- otherwise I would not be able to get this far.
    However the creation of the data source also fails when trying to created it whilst logged in the SQL server in question:
    The Data Source Manager returns the error when using the Microsoft OLE DB Provider for SQL Server:
    Failed to test connection. [DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied
    I tried using the SQL Server Native Client 11.0 instead but I also get an error. This time the error is:
    Failed to test connection. Login timeout expiredA network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online.Named Pipes Provider: Could not open a connection to SQL Server [53]. 
    Some considerations
    If I provide an invalid username/password, the Data Source Manager does say that the username and password is incorrect.
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    SQL Profiler does not show any attempt of connection.
    The SQL server instance in question is the default one.
    The error happens regardless if I select the option to encrypt connection or not.
    In SQL Configuration manager I can see that all protocols are enabled (TCP/IP, Named Pipes and Shared Memory.
    The Event Viewer does not provide any further errors than the one I have copied in this post.
    I'm at a loss here. Could someone please advise what might I be doing wrong?
    Regards,
    P.

    Here is what I had to do to solve this issue:
    Basically I had to add the MSSQL TCP/IP port as an end-point in Azure. After I did that, then I was able to create the data-source. However, I was only able to authenticate with a SQL account, as any domain account would return me an error saying that the
    domain isn't trusted.
    What puzzles me here is how come the Data Source Manager would inform me that an account username/password was invalid, but it would fail/timeout if I provided valid credentials (!?!?!!?)

  • Hello friends..i m not able to connect MS SQL SERVER 2005 FROM cmd prompt

    dear friends,
    i m not able to connect MS SQL SERVER from command prompt..
    do you know how to connect from command prompt or any other ways to connect to database only for delete SAP* user purpose.
    thanks
    zaheer

    Hi,
    you can use the SQLCMD tool:
    Microsoft (R) SQL Server Command Line Tool
    Version 10.50.1600.1 NT x64
    Copyright (c) Microsoft Corporation.  All rights reserved.
    usage: Sqlcmd            [-U login id]          [-P password]
      [-S server]            [-H hostname]          [-E trusted connection]
      [-N Encrypt Connection][-C Trust Server Certificate]
      [-d use database name] [-l login timeout]     [-t query timeout]
      [-h headers]           [-s colseparator]      [-w screen width]
      [-a packetsize]        [-e echo input]        [-I Enable Quoted Identifiers]
      [-c cmdend]            [-L[c] list servers[clean output]]
      [-q "cmdline query"]   [-Q "cmdline query" and exit]
      [-m errorlevel]        [-V severitylevel]     [-W remove trailing spaces]
      [-u unicode output]    [-r[0|1] msgs to stderr]
      [-i inputfile]         [-o outputfile]        [-z new password]
      [-f <codepage> | i:<codepage>[,o:<codepage>]] [-Z new password and exit]
      [-k[1|2] remove[replace] control characters]
      [-y variable length type display width]
      [-Y fixed length type display width]
      [-p[1] print statistics[colon format]]
      [-R use client regional setting]
      [-b On error batch abort]
      [-v var = "value"...]  [-A dedicated admin connection]
      [-X[1] disable commands, startup script, enviroment variables [and exit]]
      [-x disable variable substitution]
      [-? show syntax summary]
    You have to have the SQL Server tools installed on the box, to get sqlcmd.
    You then can connect with SQL authentication
    sqlcmd -S <Servername\Instancename> -U user -P password                          
    or with windows authentication
    sqlcmd -S <Servername\Instancename> -E
    Best regards
      Clas

  • Unable to connect to sql server 2008 r2 after upgrading from framework 4.0 to 4.5.2 in windows 7 environment

    Hi  All,
    BackGround
    I used to connect to database with Encrypt set true  in sql connection which helps  established encrypted data base connection . I verified  that created certificate in order
    to provide Encrypted connection to database for client is valid.
    Issue :Issue
    is un-able to connect to sql sever2008 r2 from vs2013 by enforcing encryption to true.
    while trying to test the connection from vs2013 error log getting recorded as well as error notification is getting populated as below .
    Step1 :
    from Vs2013 trying to connect to sql server 2008 r2
    step 2: on Click test Connection . getting below mentioned error notification
    Event Viewer Log:<o:p></o:p>
     <o:p></o:p>
    (Process Id: 7472)
    <o:p></o:p>
    .Net SqlClient Data Provider:<o:p></o:p>
    A connection was successfully established with the server, but then an error
    occurred during the login process. (provider: SSL Provider, error: 0 - The
    target principal name is incorrect.)<o:p></o:p>
       at
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception,
    Boolean breakConnection, Action`1 wrapCloseInAction)<o:p></o:p>
       at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject
    stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)<o:p></o:p>
       at
    System.Data.SqlClient.TdsParserStateObject.SNIWritePacket(SNIHandle handle,
    SNIPacket packet, UInt32& sniError, Boolean canAccumulate, Boolean
    callerHasConnectionLock)<o:p></o:p>
       at System.Data.SqlClient.TdsParserStateObject.WriteSni(Boolean
    canAccumulate)<o:p></o:p>
       at System.Data.SqlClient.TdsParserStateObject.WritePacket(Byte
    flushMode, Boolean canAccumulate)<o:p></o:p>
       at System.Data.SqlClient.TdsParser.TdsLogin(SqlLogin rec,
    FeatureExtension requestedFeatures, SessionData recoverySessionData)<o:p></o:p>
       at
    System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo
    serverInfo, String newPassword, SecureString newSecurePassword, Boolean
    ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover)<o:p></o:p>
       at
    System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo
    serverInfo, String newPassword, SecureString newSecurePassword, Boolean
    redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential
    credential, TimeoutTimer timeout)<o:p></o:p>
       at
    System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer
    timeout, SqlConnectionString connectionOptions, SqlCredential credential,
    String newPassword, SecureString newSecurePassword, Boolean
    redirectedUserInstance)<o:p></o:p>
       at
    System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity
    identity, SqlConnectionString connectionOptions, SqlCredential credential,
    Object providerInfo, String newPassword, SecureString newSecurePassword,
    Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions,
    SessionData reconnectSessionData)<o:p></o:p>
       at
    System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions
    options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo,
    DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions
    userOptions)<o:p></o:p>
       at
    System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool
    pool, DbConnection owningObject, DbConnectionOptions options,
    DbConnectionPoolKey poolKey, DbConnectionOptions userOptions)<o:p></o:p>
       at
    System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection
    owningObject, DbConnectionOptions userOptions, DbConnectionInternal
    oldConnection)<o:p></o:p>
       at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection
    owningObject, DbConnectionOptions userOptions, DbConnectionInternal
    oldConnection)<o:p></o:p>
       at
    System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection
    owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate,
    Boolean onlyOneCheckConnection, DbConnectionOptions userOptions,
    DbConnectionInternal& connection)<o:p></o:p>
       at
    System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection
    owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions,
    DbConnectionInternal& connection)<o:p></o:p>
       at
    System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection
    owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions
    userOptions, DbConnectionInternal oldConnection, DbConnectionInternal&
    connection)<o:p></o:p>
       at
    System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection
    outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1
    retry, DbConnectionOptions userOptions)<o:p></o:p>
       at
    System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)<o:p></o:p>
       at
    System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)<o:p></o:p>
       at System.Data.SqlClient.SqlConnection.Open()<o:p></o:p>
    Inner Exception:<o:p></o:p>
    :<o:p></o:p>
    The target principal name is incorrect

    The target principal name is incorrect
    Hi Rahul.U,
    Are you able to connect to SQL Server successfully from SQL Server Management Studio (SSMS) when enforcing encryption?
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    1. Make sure that you connect to the SQL server using the fully qualified domain name (FQDN).
    2. When connecting to a SQL Server instance with a valid certificate, please add the
    TrustServerCertificate
    parameter and set it to true in the connection string. For more details, please review this
    article.
    However, if you can successfully connect to SQL Server via SSMS, but still fail to connect to SQL Server from Visual Studio, I would like to recommend you post the question in the .Net Framework forum at
    https://social.msdn.microsoft.com/Forums/vstudio/en-US/home?category=netdevelopment . It is appropriate and more experts will assist you.
    There are similar articles about error “The target principal name is incorrect” for your reference.
    http://serverfault.com/questions/458935/aws-rds-sql-server-ssl-connection-the-target-principal-name-is-incorrect
    http://www.derekseaman.com/2013/09/sql-2012-failover-cluster-pt-12-kerberos-n.html
    Thanks,
    Lydia Zhang
    Lydia Zhang
    TechNet Community Support

  • How do I connect to SQL Server with Muse?

    I want to query items from database and load it back to front end. Is there a way Muse can connect to sql server database?

    You cannot connect to databases via Muse at the moment. Please refer: http://forums.adobe.com/message/5090145#5090145
    Cheers,
    Vikas

  • 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. (p

    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: 2)
    The system cannot find the file specified
    Cannot connect to COWBOYS.
    Here are the technical details===================================
    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) (.Net SqlClient Data Provider)
    For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&EvtSrc=MSSQLServer&EvtID=2&LinkId=20476
    Error Number: 2
    Severity: 20
    State: 0
    Program Location:
       at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
       at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
       at System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, Boolean withFailover)
       at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover)
       at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential credential, TimeoutTimer
    timeout)
       at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance)
       at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance,
    SqlConnectionString userConnectionOptions, SessionData reconnectSessionData)
       at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
       at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions)
       at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
       at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
       at System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
       at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
       at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
       at System.Data.SqlClient.SqlConnection.Open()
       at Microsoft.SqlServer.Management.SqlStudio.Explorer.ObjectExplorerService.ValidateConnection(UIConnectionInfo ci, IServerType server)
       at Microsoft.SqlServer.Management.UI.ConnectionDlg.Connector.ConnectionThreadUser()
    ===================================
    The system cannot find the file specified
    I have tried from so many forms. This is so frustrating. Thank for everyone/anyone who wants to help. So this is what happened: I had to uninstall my previous sqlserver 2012(which worked great) for some reason, and I uninstalled everything from that download.
    Then I installed the trial edition of sql server 2012 (64 Bit) and It wouldn't connect to the database. (Error mentioned above.) My local DB is COWBOYS. (COWBOYS is also my computer name.) After this, I have tried downloading sqlexpress and sqlserver 64bit
    many times and cannot connect to my local DB. 
    How do I connect to my Local DB? 
    Also, I think this might help: (When I run sqlserve.exe, which I was able to find in C:\Program Files\Microsoft SQL Server\110\LocalDB\Binn, I get an error: Your SQL server installation is either corrupt or has been tampered with(Error getting
    instance ID from name). Please uninstall then re-run setup to correct this problem.
    I would happily re install it, if it wasn't my 20th time.
    I don't have any remote connections, I don't use username/password, only window authentication. I work mostly on visual studio, but without able to store /retrieve data, I don't know how to survive.
    May be the solution is very simple, but I am too frustrated. 
    Some of the things I have tried:
    From a command prompt, enter one of the following commands:
    net start "SQL Server Agent (MSSQLSERVER)" OR 
    net start "SQL Server Agent(instancename)"(for instance)
    on my sql configuration, I cannot start anything because there is nothing there to start. I can post more details, if that would help. Also, some more details about the error:
    Details
    Product:
    SQL Server
    ID:
    2
    Source:
    MSSQLServer
    Version:
    10.0
    Component:
    SQLEngine
    Message:
    An error has occurred while establishing a connection to the server. When connecting to SQL Server, 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) (.Net SqlClient Data Provider)
    Explanation
    SQL Server did not respond to the client request because the server is probably not started.
    User Action
    Make sure that the server is started.
    Version:
    9.0
    Component:
    SQLEngine
    Message:
    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) (.Net SqlClient Data Provider)
    Explanation
    SQL Server did not respond to the client request because the server is probably not started.
    User Action
    Make sure that the server is started.
    Any one that can help me, I will be greatful. Thank you so much. p.s. please ask me anything if you have any questions.

    It sounds like there are a couple things going on here.  First check if you have a successful install of SQL Server, then we'll figure out the connection issues.
    Can you launch SQL Server Configuration Manager and check for SQL Server (MSSQLSERVER) if default instance or SQL Server (other name) if you've configured your instance as a named instance.  Once you find this, make sure the service is started. 
    If not started, try to start it and see if it throws an error.  If you get an error, post the error message your hitting.  If the service starts, you can then launch SSMS and try to connect.  If you have a default instance, you can use the machine
    name in the connection dialog.  Ex:  "COWBOYS" where Cowboys is the machine name.  However, if you named the SQL Server instance during install, you'll need to connect using the machine\instance format.  Ex:  COWBOYS\Romo (where Romo
    is the instance name you set during install).
    You can also look at the summary.txt file in the SQL Server setup error logs to see what happened on the most recent install.  Past install history is archived in the log folder if you need to dig those up to help troubleshoot, but the most
    recent one may help get to the bottom of it if there is an issue with setup detecting a prior instance that needs to be repaired.
    Thanks,
    Sam Lester (MSFT)
    http://blogs.msdn.com/b/samlester
    This posting is provided "AS IS" with no warranties, and confers no rights. Please remember to click
    "Mark as Answer" and
    "Vote as Helpful" on posts that help you. This can be beneficial to other community members reading the thread.

  • Null connection when trying to connect to SQL Server 2000 in Tomcat4.1.29

    Hi All,
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    <Server port="8005" shutdown="SHUTDOWN" debug="0">
    <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"
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    <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"
    debug="0"/>
    <GlobalNamingResources>
    <Resource name="UserDatabase" auth="Container"
    type="org.apache.catalina.UserDatabase"
    description="User database that can be updated and saved">
    </Resource>
    <ResourceParams name="UserDatabase">
    <parameter>
    <name>factory</name>
    <value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
    </parameter>
    <parameter>
    <name>pathname</name>
    <value>conf/tomcat-users.xml</value>
    </parameter>
    </ResourceParams>
    <Resource auth="Container" description="Users and Groups
    Database" name="UserDatabase"
    scope="Shareable"
    type="org.apache.catalina.UserDatabase"/>
    <Resource name="jdbc/DefaultDS" scope="Shareable"
    type="javax.sql.DataSource"/>
    <ResourceParams name="UserDatabase">
    <parameter>
    <name>factory</name>
    <value>org.apache.catalina.users.
    MemoryUserDatabaseFactory</value>
    </parameter>
    <parameter>
    <name>pathname</name>
    <value>conf/tomcat-users.xml</value>
    </parameter>
    </ResourceParams>
    <ResourceParams name="jdbc/DefaultDS">
    <parameter>
    <name>validationQuery</name>
    <value></value>
    </parameter>
    <parameter>
    <name>user</name>
    <value>sa</value>
    </parameter>
    <parameter>
    <name>maxWait</name>
    <value>5000</value>
    </parameter>
    <parameter>
    <name>maxActive</name>
    <value>4</value>
    </parameter>
    <parameter>
    <name>password</name>
    <value>sa</value>
    </parameter>
    <parameter>
    <name>url</name>
    <value>jdbc:odbc:JBoss-SQL://localhost:1433;databaseName=Development;selectMethod=cursor;</value>
    </parameter>
    <parameter>
    <name>driverClassName</name>
    <value>sun.jdbc.odbc.JdbcOdbcDriver</value>
    </parameter>
    <parameter>
    <name>maxIdle</name>
    <value>2</value>
    </parameter>
    </ResourceParams>
    </GlobalNamingResources>
    <!-- Define the Tomcat Stand-Alone Service -->
    <Service name="Tomcat-Standalone">
    <Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
    port="8080" minProcessors="5" maxProcessors="75"
    enableLookups="true" redirectPort="8443"
    acceptCount="100" debug="0" connectionTimeout="20000"
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    <!-- Note : To disable connection timeouts, set connectionTimeout value
    to -1 -->
    <!-- Define a SSL Coyote HTTP/1.1 Connector on port 8443 -->
    <!--
    <Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
    port="8443" minProcessors="5" maxProcessors="75"
    enableLookups="true"
    acceptCount="100" debug="0" scheme="https" secure="true"
    useURIValidationHack="false" disableUploadTimeout="true">
    <Factory className="org.apache.coyote.tomcat4.CoyoteServerSocketFactory"
    clientAuth="false" protocol="TLS" />
    </Connector>
    -->
    <!-- Define a Coyote/JK2 AJP 1.3 Connector on port 8009 -->
    <Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
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    I'd recommend that you not use the JDBC-ODBC bridge driver to connect to SQL Server. M$ and jTDS are two free type IV JDBC drivers that you should use instead. Put those JARs in the WEB-INF/lib directory.
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