BO Error - Connection or SQL sentence error (DA0005)

Hi All,
I am facing an issue while connecting to BO -
Connection or SQL sentence error (DA0005)
Exception: DBD, ORA-12170: TNS:Connect timeout occuredState: N/A
Funny thing is, this error occurs on some machines, whereas on some it does not. There, BO works pretty smooth. We tried exchanging the TNS files between machines, tried matching the firewall rules, but nothing works.
Any ideas on why this is happening? Thanks a lot in advance!
Cheers,
Akshay

Our issue seems very similar to yours. The errors we have are:
Connection or SQL sentence error (DA0005). Unable to create connection.
or
A connection required to refresh this document is unavailable (DA0004)
or
Cannot open file due to unknown error (FRM0007)
I've tried lots of posts on google but couldn't find proper solution.
Desperately looking for help as the users are just not able to work with this kind of errors
and there's still time for us to commence the upgrade.
Wondering what's your environment. Ours as below:
BOXI R2 sp6
Database: Oracle 11g

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    This posting is provided "AS IS" with no warranties, and confers no rights. Please remember to click
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    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
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    [03/29/2015 22:08:01 > 6ca05b: ERR ] at Ritual.WebJobs.Members.Program.Main()
    [03/29/2015 22:08:01 > 6ca05b: SYS INFO] Status changed to Failed
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    If i remove any of my database code and use just the basic Stub code my webjob will run successfully so i know that my connection strings (outside of the DB ones) are correct.  My MVC web application also runs perfectly using the same connection strings
    in Azure so i also know that they have also been configured.  
    I am now lost and need some guidance, so if someone is able to assist me that would be much appreciated.
    Thanks
    Ritual.

    Can you try to log the connection string you are using in both cases to make sure they are the same?
    Also can you share your site name, either directly or indirectly?
    This will help us investigate.
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  • A network-related or instance-specific error occurred while establishing a connection to SQL Server2012

    TITLE: Connect to Server
    Cannot connect to RAVI\SQLEXPRESS.
    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)
    For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&EvtSrc=MSSQLServer&EvtID=-1&LinkId=20476
    BUTTONS:
    I installed it many times correctly,every thing installed succeeded  but when trying to connect getting the above error...
    please help me to solve this..:(((

    Hi,
    Following should be taken care of
    1. Make sure TCP/IP and named pipes protocol is enabled
    2. Make sure browser service is up and running
    3. Make sure SQL express service is up and running
    4. If you are connecting from remote make sure exception in firewall should be made.
    5. If your SQL Server is listeing on port apart from 1433 make sure you connect like
    RAVI\SQLEXPRESS,portno
    Please mark this reply as the answer or vote as helpful, as appropriate, to make it useful for other readers

  • A network-related or instance-specific error occurred while establishing a connection to SQL Server.

    Dear all,
    I know that this topic may be a bit old school; but it really make me mad as I tried all solutions i found and it still cant be resolved....please give a hand...
    The situation is like this,my company divided different platform as a status of project, like DEV, SIT and UAT. I got a project that require me to upgrade an vs2003 project to vs2005. I upgraded it completely and
     successfully, it works fine in development and UAT platform; EXCEPT, the SIT platform.
    The situation is very strange that, once I move the source to SIT, it return the following 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)
    but it never happen in either DEV or UAT platform and even do I copy the workable web.config from DEV or UAT platform to SIT, the error still here and unable to resolve it.
    I search a lot in the internet by Google, but solution suggested are not suitable or fail in my case. Most answer suggest that "enable remote control", "check fire wall", "check server" etc......But as I can connect well the
    DBServer in DEV and UAT properly, I dont think those are the cause(but still, I check them all, and all are enabled properly, except my firewall setting is OFF, so adding port is ignored).
    After all the searching and testing, I believed and have reason to believe that, the cause is inside my web.config:
      <appSettings>
        <!--   User application and configured property settings go here.-->
        <!--   Example: <add key="settingName" value="settingValue"/> -->
    <clear/>
        <add key="Environment" value="UAT v1.31"/>
        <add key="DBServer" value="DB_UAT"/>
        <add key="cnBPSS.ConnectionString" value="data source=DB_UAT\BPSS;persist security info=True;user id=theloginid;workstation id=RP_UAT;packet size=4096;pwd=theloginpwd"/>
        <add key="UTBPSSConn.ConnectionString" value="data source=DB_UAT\BPSS;persist security info=False;user id=theloginid;workstation id=RP_UAT;packet size=4096;pwd=theloginpwd"/>
        <add key="UTDSBDBConn.ConnectionString" value="workstation id=RP_UAT;packet size=4096;user id=theloginid;data source=DB_UAT\DSBDB;persist security info=False;password=theloginpwd"/>
        <add key="cnDSBDB.ConnectionString" value="workstation id=RP_UAT;packet size=4096;user id=theloginid;data source=DB_UAT\DSBDB;persist security info=False;password=theloginpwd"/>
        <add key="Timer1.Enabled" value="True"/>
        <add key="Timer1.AutoReset" value="True"/>
        <add key="cnbpss.ConnectionString" value="data source=DB_UAT\BPSS;password=theloginpwd;persist security info=True;user id=theloginid;workstation id=RP_UAT;packet size=4096"/>
        <add key="cnbpss1.ConnectionString" value="data source=DB_UAT\BPSS;password=theloginpwd;persist security info=True;user id=theloginid;workstation id=RP_UAT;packet size=4096"/> 
    </appSettings>
    </configuration>
    I know such kind of setting is old school; But due to this program runs for few years from tons of ppl...I dont dare to modify it unless I am very sure they are the cause.....
    May I ask if anyone cna give me some advice and help in this issue please? I already tried for weeks and turning mad....Please I really need some help...
    Many thanks.
    Ksun Chan

    Checklist of possible reason of this error
    1. Check SQL services are running
    2. Check SQL Browser service is running
    3. Check remote connections are enabled
    4. Network connectivity between database & application servers by TRACERT command
    5. Check TCP/IP protocol enabled at SQL server
    6. Check talent connectivity – telnet <IP address> <port no on SQL server running>
    7. Check UDP port 1434 is open or not on SQL Server
    8. Check firewall is running or not Check
    9. If firewall running, SQL Server & UDP port must be added in exception in firewall
    Regards,
    Rohit Garg
    (My Blog)
    This posting is provided 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.

  • A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible.

    Server Error in '/' Application.
    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)
    Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
    Exception Details: System.Data.SqlClient.SqlException: 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 Error:
    An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
    Stack Trace:
    [SqlException (0x80131904): 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)]
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +4846887
    System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +194
    System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, SqlConnection owningObject) +4860189
    System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) +90
    System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +342
    System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +221
    System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +189
    System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +185
    System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +31
    System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +433
    System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +66
    System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +499
    System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +65
    System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +117
    System.Data.SqlClient.SqlConnection.Open() +122
    System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState) +31
    System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +112
    System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +287
    System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) +92
    System.Web.UI.WebControls.SqlDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +1297
    System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +19
    System.Web.UI.WebControls.DataBoundControl.PerformSelect() +142
    System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +73
    System.Web.UI.WebControls.GridView.DataBind() +4
    System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +82
    System.Web.UI.WebControls.CompositeDataBoundControl.CreateChildControls() +72
    System.Web.UI.Control.EnsureChildControls() +87
    System.Web.UI.Control.PreRenderRecursiveInternal() +44
    System.Web.UI.Control.PreRenderRecursiveInternal() +171
    System.Web.UI.Control.PreRenderRecursiveInternal() +171
    System.Web.UI.Control.PreRenderRecursiveInternal() +171
    System.Web.UI.Control.PreRenderRecursiveInternal() +171
    System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +842
    Version Information: Microsoft .NET Framework Version:2.0.50727.3082; ASP.NET Version:2.0.50727.3082

    On what website/link did you received this error message ??

  • Connecting to the LOB system has failed. A network-related or instance-specific error occurred while establishing a connection to SQL Serve

    Hi!
    I'm using consume adapter service> sqlbinding >  to connect to sql database in order to generate sql schemas.
    I'm getting below error:
    Connecting to the LOB system has failed. 
    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).
    Christiane

    Hi, 
    As suggested earlier this seems to be a DTC related issue. It can only occur if the DTC settings are not proper or if firewalls don't allow the default ports to communicate.
    Check DTC settings on both SQL and BizTalk Box and also check if MSDTC service is up and running.
    Go to Start
    à Run
    à (type in) Dcomcnfg. You should be inside Component Services MMC.
    Expand Component Services
    à Computers
    à My Computer (right click)
    à Properties
    à MSDTC tab
    à Security Configuration button.
    Select the checkboxes as following : 
    Check the below article from Microsoft Support Team, they have listed all the errors which may come during setting up a new system. They also have your MSDTC error listed.
    Resolving the issues you may face during BizTalk Runtime Configuration
    Thanks,
    Prashant
    Please mark this post accordingly if it answers your query or is helpful.

  • Response Group: A network-related or instance-specific error occurred while establishing a connection to SQL Server.

    Hi all,
    I have three central sites with each having a Front End server pool (standard).
    Site A and Site B are paired for resiliency. Site C is on its own.
    On two of my Front Ends (Site A and Site B), when I click on response group tab i get the following warning on the top of the page:
    "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)"
    I have check out the following articles about dont think they apply to me:
    http://unifiedme.co.uk/2014/01/network-related-instance-specific-error-occurred-accessing-lync-control-panel-response-group-tab/
    I dont see any Event logs that would direct me to a cause. 
    Which database it is complaining about? RGSDYN and RGSCONFIG are local databases as it is an standard installation. What could be the possible cause for this issue?
    Thanks in advance.

    My latest change was the addition of Site C. 
    Going through logs (i must have missed it the first time, with all the noisy EWS errors), i found event ID 31147. I am investigating network issues although I have MPLS running to that location.
    Does Lync set up open correct ports on the machine itself?

  • SQL Server Agent Log showing errors [298] SQLServer Error: 10061, A 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

    Hi All,
    I have started receiving this error in the logs for the last 10 days and the Schedules Jobs for the database have stopped running. My MS CRM application is working fine.
    Can anyone guide me what could be the problem.
    Date                      17/4/2014 2:04:20 PM
    Log                         SQL Server Agent (Current - 17/4/2014 2:01:00 PM)
    Message
    [298] SQLServer Error: 10061,
    A 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. [SQLSTATE 08001]
    Date                      17/4/2014 2:11:55 PM
    Log                         SQL Server Agent (Current - 17/4/2014 2:01:00 PM)
    Message
    [298] SQLServer Error: 10061,
    A 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. [SQLSTATE 08001]
    Date                      7/4/2014 11:00:31 AM
    Log                         SQL Server Agent (Current - 17/4/2014 2:01:00 PM)
    Message
    [298] SQLServer Error: 10061,
    A 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. [SQLSTATE 08001]

    Check this link
    http://social.msdn.microsoft.com/Forums/en-US/906da9b5-2482-468c-a424-ae099da2d96b/sql-server-agent-service-account-error?forum=sqlsetupandupgrade
    Regards, RSingh

  • Connecting to the LOB system has failed. 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

    hi ,
    when generate the schema , i  got the below error, please any one put your inputs:
    Connecting to the LOB system has failed.  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).

    thaks shanky,
    but facing another , after generate schema from  WCF_SQL, im unable get elements in my schema.
    this is schema generate from storeprocduer , but thru WCF-sql im unable get the elements like
    id, name
    <xsd:schema targetNamespace="urn:schemas-microsoft-com:sql:SqlRowSet2" xmlns:schema="urn:schemas-microsoft-com:sql:SqlRowSet2" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:sqltypes="http://schemas.microsoft.com/sqlserver/2004/sqltypes" elementFormDefault="qualified">
      <xsd:import namespace="http://schemas.microsoft.com/sqlserver/2004/sqltypes" schemaLocation="http://schemas.microsoft.com/sqlserver/2004/sqltypes/sqltypes.xsd" />
      <xsd:element name="Test.dbo.sample">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element name="id" type="sqltypes:int" minOccurs="0" />
            <xsd:element name="name" minOccurs="0">
              <xsd:simpleType>
                <xsd:restriction base="sqltypes:nvarchar" sqltypes:localeId="1033" sqltypes:sqlCompareOptions="IgnoreCase IgnoreKanaType IgnoreWidth" sqltypes:sqlSortId="52">
                  <xsd:maxLength value="1000" />
                </xsd:restriction>
              </xsd:simpleType>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
    </xsd:schema>
    <Test.dbo.sample xmlns="urn:schemas-microsoft-com:sql:SqlRowSet2">
      <id>18</id>
      <name>BIRADAR</name>
    </Test.dbo.sample>
    <Test.dbo.sample xmlns="urn:schemas-microsoft-com:sql:SqlRowSet2">
      <id>18</id>
      <name>BIRADAR</name>
    </Test.dbo.sample>
    <Test.dbo.sample xmlns="urn:schemas-microsoft-com:sql:SqlRowSet2">
      <id>19</id>
      <name>sw</name>
    </Test.dbo.sample>
    <Test.dbo.sample xmlns="urn:schemas-microsoft-com:sql:SqlRowSet2">
      <id>18</id>
      <name>BIRADAR</name>
    </Test.dbo.sample>
    <Test.dbo.sample xmlns="urn:schemas-microsoft-com:sql:SqlRowSet2">
      <id>14</id>
      <name>swe</name>
    </Test.dbo.sample>
    <Test.dbo.sample xmlns="urn:schemas-microsoft-com:sql:SqlRowSet2">
      <id>13</id>
      <name>se</name>
    </Test.dbo.sample>

  • Network related or instance specific error occurred while establishing a connection to sql server

    Hi all,
    I am getting  a SQL 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).
    Problem is when a user tries to connect with remote SQL Server
    through VPN from Domain, it throws this error, and when the same machine tries to connect with Remote SQL Server through VPN as a standlone machine, it is getting connected.
    I checked all the settings but ....... There is no any policies deployed in Active Directory.
    Any suggetion?
    Rajneesh
    Rajneesh Kumar MCITP - SA, MCSE, CNA

    check these
    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 Server\Instance and Server\\Instance in your connection string]
    3) Make sure the server machine is 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.
    http://uk.linkedin.com/in/ramjaddu

  • 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.

    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)
    How Can i solve this?

    1. Make sure SQL Server Service is running
    2. If a named instance, make sure SQL Server browser service is running
    3. Make sure SQL Server is configured to allow remote connections
    4. Examine the SQL Server error log for messages confirming that SQL is listening on the expected network interfaces and ports
    5. Test server connectivity with PING from the client machine
    6. Test port connectivity using TELNET or PowerShell to the server and port (from step 4) from the client machine.  For example
    a. TELNET <server-name> 1433
    b. PowerShell: 1433 | % { echo ((new-object Net.Sockets.TcpClient).Connect("YourServerName",$_)) "server listening on TCP port $_" }
    7. Check firewall settings if step 5 or 6 connectivity test fails
    Best Regards,Uri Dimant SQL Server MVP,
    http://sqlblog.com/blogs/uri_dimant/
    MS SQL optimization: MS SQL Development and Optimization
    MS SQL Consulting:
    Large scale of database and data cleansing
    Remote DBA Services:
    Improves MS SQL Database Performance
    SQL Server Integration Services:
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