Bootcamp gaming stuttering/lagging, not network related

Hi Community!
I have a question / problem, I would like to solve...
I installed bootcamp windows 7 on my MBP, 16gb i7 2.7Ghz 512 SSD. I installed a couple of heavy games such as borderlands 2, Crysis, battlefield etc. and i was running them all pretty much on max settings, all was fine and running smooth as silk.
Then, after a couple of months, all these games started "stuttering", like, micro lags, it doesn't feel smooth at all and it is so annoying, they come in bursts every 1 or 2 seconds.
I have tried most of the basic solutions, one of them of course being setting all graphs to lowest and resolution to lowest, yet game speed remains the same and  stutters and lags are still present..
I would say this is software related, but I am not 100 percent sure. I have taken it to an apple store and they tested it extensively and said my mac was fine..
Please if you have encountered something similar and have a solution for this, please let me know,
Thanks !

Try putting one of those movies onto your macbooks' drive and stream it and see if you have the same lag.
It's probably not being pulled from that external drive fast enough causing the lag.
I know you can watch it off your macbook fine, but you're pulling it onto the laptop, then pushing it out to the router and data transfer is always slower the more 'stuff' you give it to pass through.
For example, I can pull stuff off a harddrive at a gig a minute....but if i pull it off one and write it directly to another (using the computer as the go between) i get about 75% speed.....something that should take an hour can take almost an hour and a half.
So try streaming directly off your macbook and see if you stutter.

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    [03/29/2015 22:07:44 > 6ca05b: INFO] Executing: 'Functions.ManualTrigger' because This was function was programmatically called via the host APIs.
    [03/29/2015 22:08:01 > 6ca05b: INFO] Function had errors. See Azure WebJobs SDK dashboard for details. Instance id is e99d7205-3ca0-4674-9414-f0381d5c2316
    [03/29/2015 22:08:01 > 6ca05b: ERR ]
    [03/29/2015 22:08:01 > 6ca05b: ERR ] Unhandled Exception: System.Data.Entity.Core.EntityException: The underlying provider failed on Open. ---> 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: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, Boolean withFailover)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential credential, TimeoutTimer timeout)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.SqlClient.SqlConnection.Open()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.Infrastructure.Interception.DbConnectionDispatcher.<Open>b__36(DbConnection t, DbConnectionInterceptionContext c)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1.Dispatch[TTarget,TInterceptionContext](TTarget target, Action`2 operation, TInterceptionContext interceptionContext, Action`3 executing, Action`3 executed)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.Infrastructure.Interception.DbConnectionDispatcher.Open(DbConnection connection, DbInterceptionContext interceptionContext)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.Core.EntityClient.EntityConnection.<Open>b__2()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.<>c__DisplayClass1.<Execute>b__0()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute[TResult](Func`1 operation)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute(Action operation)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.Core.EntityClient.EntityConnection.Open()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] --- End of inner exception stack trace ---
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.Core.EntityClient.EntityConnection.Open()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.Core.Objects.ObjectContext.EnsureConnection(Boolean shouldMonitorTransactions)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransaction[T](Func`1 func, IDbExecutionStrategy executionStrategy, Boolean startLocalTransaction, Boolean releaseConnectionOnSuccess)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.Core.Objects.ObjectQuery`1.<>c__DisplayClass7.<GetResults>b__5()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute[TResult](Func`1 operation)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.Core.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.Core.Objects.ObjectQuery`1.<System.Collections.Generic.IEnumerable<T>.GetEnumerator>b__0()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Data.Entity.Internal.LazyEnumerator`1.MoveNext()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at Ritual.WebJobs.Members.Functions.ManualTrigger(TextWriter log, Int32 value, String& message)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at lambda_method(Closure , Object[] )
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.VoidInvoker.InvokeAsync(Object[] arguments)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.FunctionExecutor.<ExecuteWithWatchersAsync>d__23.MoveNext()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] --- End of stack trace from previous location where exception was thrown ---
    [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)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.FunctionExecutor.<ExecuteWithOutputLogsAsync>d__1c.MoveNext()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] --- End of stack trace from previous location where exception was thrown ---
    [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)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.FunctionExecutor.<ExecuteWithLogMessageAsync>d__c.MoveNext()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] --- End of stack trace from previous location where exception was thrown ---
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.FunctionExecutor.<ExecuteWithLogMessageAsync>d__c.MoveNext()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] --- End of stack trace from previous location where exception was thrown ---
    [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)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.FunctionExecutor.<TryExecuteAsync>d__1.MoveNext()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] --- End of stack trace from previous location where exception was thrown ---
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.ExceptionDispatchInfoDelayedException.Throw()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at Microsoft.Azure.WebJobs.JobHost.<CallAsyncCore>d__7.MoveNext()
    [03/29/2015 22:08:01 > 6ca05b: ERR ] --- End of stack trace from previous location where exception was thrown ---
    [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)
    [03/29/2015 22:08:01 > 6ca05b: ERR ] at Microsoft.Azure.WebJobs.JobHost.Call(MethodInfo method, Object arguments)
    [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
    [03/29/2015 22:08:01 > 6ca05b: SYS ERR ] Job failed due to exit code -532462766
    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.
    Thanks,
    Amit

  • 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 in sql server 2008..." error in sbs 2011 standard.

    Hi All,
    When we try to open "Sql Server 2008 R2" in SBS 2011.......... we are getting the 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
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    Thanks in advance.
    Ram.
    Ramakrishna

    Hi Ram, you can check the solutions in the following links and see if that helps:
    A network-related or instance-specific error occurred while establishing a connection to SQL Server
    http://social.technet.microsoft.com/wiki/contents/articles/a-network-related-or-instance-specific-error-occurred-while-establishing-a-connection-to-sql-server.aspx
    A network-related or instance-specific error occurred while establishing a connection to SQL Server 
    http://social.msdn.microsoft.com/Forums/en-US/sqldataaccess/thread/3a1c4d72-300c-4f9b-a0ac-23027ce04d1c/
    Also, rather than a SBS specific issue, it seems only relate to SQL server, you can also post it to SQL server forum so that SQL server experts there can provide more accurate solutions:
    http://social.technet.microsoft.com/Forums/en-US/category/sqlserver
    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

  • A network-related error has occurred where Connecting to Hive ODBC by Linked Server

    1) I have created Hive ODBC Driver (Succesfully Tested)
    2) I have created Linked Server on SQL Server 2014 (Succesfully Tested)
    3) SELECT * FROM OpenQuery([SQLHive],
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    ERROR:
    OLE DB provider "SQLNCLI11" for linked server "SQLHive" returned message "Login timeout expired".
    OLE DB provider "SQLNCLI11" for linked server "SQLHive" returned message "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.".
    Msg 67, Level 16, State 1, Line 0
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    INSTRUCTIONS FOLLOWED:
    http://ayadshammout.com/2013/05/27/import-hadoop-data-into-sql-bi-semantic-model-tabular/
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    -Firewall is OFF
    -SQL Server and Windows Authentication mode is ON
    - Named Pipes is ON on SQL Server Confi manager
    Kenny_I

    The subject line and the first point on your list indicates that you want to connect to a Hive data source using ODBC. But the error message tells us that you have set up a linked server with SQL Server Native Client, which is the OLE DB provider you would
    use if you want to connect to another SQL Server instance.
    For using an ODBC driver, you need to use the MSDASQL provider, and in the @provstr argument you specify which ODBC driver you want to use. That is, something like:
    EXEC sp_addlinkedserver 'SQLHive', '', 'MSDASQL',
         @provstr = 'Driver={Hive ODBC Driver}....'
    As I have not worked with the Hive ODBC Driver, I don't know exactly what goes into the @provstr parameter, but it would be the same as if you connected to Hive from an application.
    Erland Sommarskog, SQL Server MVP, [email protected]

  • Network-related or Instance-specfic error when attempting remote connection from SSMS

    Hello,
    I have installed SQL Server express on a Win7 desktop and want to connect to it via SSMS on a laptop. I have set up a SQL login on the desktop so I can login, but when I try to connect to the instance from the laptop via SSMS I get the error 26 with saying
    there is a network related or instance specific issue and that there is an error locating the Server/Instance specified.
    I am trying to connect to a named instance on the SQL Server on the win desktop. Remote connections are enabled and TCP 1433 and UPD 1434 ports are open in Windows Firewall. Antything else I should watch for?
    Thanks

    Hi MrDAndersen,
    According to your description, you come across the errors of pre-login handshake and wait operation timing out. Please help to post the full error log for further analysis.
    Based on my research, this issue could occur when .NET Framework 4.5 and non-IFS BSP/LSP are installed on the machine, and non-IFS BSP/LSP interferes with the call to Winsock.
    To work around the issue, you could use one of the two methods below.
    1. Determine whether a non-IFS BSP or LSP is installed. You could use the "netsh WinSock Show Catalog" command and examine every Winsock Catalog Provider Entry item that is returned. If the 0x20000 bit is clear (not set), it is a non-IFS BSP or
    LSP and remove the installed non-IFS Winsock LSPs. For more information about the process, please refer to the article:
    http://support.microsoft.com/kb/2568167
    2. Download and apply .NET Framework 4.5.2:
    http://www.microsoft.com/en-us/download/details.aspx?id=42643
    There are two connect items for your reference.
    https://connect.microsoft.com/VisualStudio/feedback/details/745004/ 
    https://connect.microsoft.com/VisualStudio/feedback/details/729323
    Best regards,
    Michelle Li

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