Microsoft Data Link Error - Connection Failure
Apr 21, 2008
Hi!
I've a computer with W2K SP4 installed. Previously SQL Express 2005 worked but according to the user it "just stopped working".
When selecting database on the server in the "Data Link Properties"-window he is given the following error message:
"Microsoft Data Link" "Login failed. Catalog information cannot be retrieved"
followed by
"Microsoft Data Link Error" "Connection failure"
Note: He is not given the error message "Server does not exist or access denied!"
- The SQL service is started (can be stopped and restarted without problem)
- I've re-installed SQL Express.
- I've checked and is certain the server name is correct (i.e. computernameSQLEXPRESS)
Any ideas here because I'm getting desperate?
Thanks in advance,
Peter Hartlén
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Nov 27, 2006
A test installation script I ran on my dev rig seems to have broken the OLE DB Provider for Sql Server. The uninstall must have deleted a DLL or unregistered a lib. When I try to connect to a SQL database from this machine now get the following error:
==
Microsoft Data Link Error
Test connection failed because of an error in initializing provider. Unspecified error.
==
It is not the connection string because this was working fine prior to me running the test installation script.
Can you give advice on how to repair the SQL Server data provider for WinXP SP2?
I have tried to re-install MDAC 2.8 with no success due SP2 diallowing this. I uninstalled SP2 and re-installed MDAC 2.8 but the problem remains.
I'm all out of ideas, so any help would be appreciated.
Thanks!
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Aug 29, 2002
All,
I need a help from you all. I am getting this error if the users are running the application which is connecting from MSAccess97 to SQL Server 2000.
Error: [Microsoft][ODBC SQL Server Driver]Communication link failure
I would appreciate if you send me the resolution for this problem.
Thanks,
Reddy
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Nov 16, 2005
I get the message Microsoft [ODBC Sql server driver]communication link failure error message in my VB 6 application with MSDE engine. This error does not happen often.
My connection string is as below.
"Provider=MSDASQL;Driver={SQL Server};Server=" & mSvrName & ";DATABASE=cnsClient;uid=uid;pwd=pwd"
Please help.
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Nov 27, 2007
Several of our customers are getting a message intermitantly throughout the day where the connection is closed. The message being generated is [Microsoft][ODBC SQL Server Driver]Communication Link Failure.
These messages started in the last two weeks.
Thanks for any direction that can be thrown my way.
David
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Oct 26, 2007
How to use Microsoft Data Link(Udl) type file to connect with SQL Server using SQL Native Client,If i use OLDEDB Connection i can make connection using UDL file with Database ,but how can i use a file for a connection using SQL Native Client.Is there any other data link file that can be used to connect with SQL server using SQL Native Client.
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Jun 14, 2007
Hi Y'all,
When i alter 1 single value in my sql server 2000 sometimes i get following error:
1) [MICROSOFT][ODBC SQL SERVER DRIVER] Communication link failure
After clicking away:
2)CANNOT START MORE TRANSACTION ON THIS SESSION
Maybe someone can help me out on this?
Thanks!
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Oct 12, 2006
Hi,
I am using ADO in my application to connect and retrieve data from Microsoft SQL Server 2000 SP4. When I start my application, it establishes connection to the server successfully and I am able to retrieve data from the server. here is my test scenario:
1. unplug the network cable from the client machine and put the cable back in after some time. I disconnect from the database in my code when the client machine disconnects from the network
2. Once the client machine comes back on the network, I try to reconnect and retrieve data from the sql server but I get the following error message when I try to execute a sql command:
[Microsoft][ODBC SQL Server Driver]Communication Link failure
This problem occurs only with Window XP SP2. With XP SP1 it works fine. It seems to be problem on the client side as with Windows XP SP1 I do not get this error message at all.
Here are the various details:
1. The firewall is off on the client workstation.
2. the connection string is:
driver={SQL Server};server=AA;uid=BB;pwd=CC;database=DD
where AA = DNS name of server machine where sql server is running.
BB = user name
CC = password
DD= database name
3. The client is remote to the server.
4. I can ping the server machine when the client machine reconnects to the network.
5. I can still telnet the server when the client machine reconnects to the network.
6. client database provider is MDAC odbc.
7. the client and server machines are in the same domain.
8. Shared memory and TCPIP protocols are enabled and TCP is at the top of the list.
9. No alias is being used.
10. Viris scan is not installed.
11. force encriptioned is NOT checked.
Please reply.
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Nov 22, 2007
Hi Folks,
This is regarding the intermittent failure of communication between the application server and database server in one of our customer environment. Application error as well as SQL error log shows "General Network Error","Communication Link Failure". Please find below the server configuration
Application Server OS: Win 2003 server + Service Pack1, Standard Edition
Database Server OS: Win 2003 server + Service Pack1, MS SQL Server 2000 + SP4
We have checked the Client/Server Network utility associated with SQL Server and found TCP/IP protocol is used in communication neither than Named Pipes. DSN is used. We have also followed and implemented as per one KB article which mentioned Win 2003 server's feature of preventing Denial of Service attacks (Chance may be there to prevent the valid login packets).We made the registry changes and disabled this feature. A scheduled job which updates the database happens every morning. Also backup was done using a backup utility which needs the exclusive access to DB. So we have asked the customer to use enterprise manager for back up the DB instead of using the other utility to backup. If any one have experienced the same issue, please let me know.
Thanks,
Pranav.
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Apr 12, 2007
Hello
TestMachine1 runs SQL2005 SP2 and has as linked server myRemoteServer (SQL2000) server. I run an stored procedure in TestMachine1 which inserts about 20,000 rows to a table in myRemoteServer and brings back a similar quantity of rows. This stored procedures take about 1.5min to complete, but no error appears.
When running the same stored procedure in TestMachine2 (also SQL2005SP2), the following error appears after about 1 minute of execution (not the exact text):
SQLNCli. TCP Provider: network name is no longer available - communication link failure.
Please note that this stored procedure worked before on TestMachine2 (but with less than 10,000 rows) and that connectivity is proven among TestMachine1 and myRemoteServer, since I can execute "select * from synonym_MyRemoteTable" with no problems at all in the TestMachine2's Management Studio.
TestMachine1 and TestMachine2 have Windows XP Professional SP2; myRemoteServer has Windows 2003 and SQL Server 2000 SP4.
Can you please help me to avoid this error?
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May 19, 2008
Hi all,
I am wondering if you guys have any experience with failing Stored Procedures running inside a SSIS package with the following error:
=====================================================
Message
Executed as user: GAALPSVR034FSYSTEM. Microsoft (R) SQL Server Execute Package Utility Version 9.00.3042.00 for 64-bit Copyright (C) Microsoft Corp 1984-2005. All rights reserved. Started: 8:51:22 AM Error: 2008-05-19 09:06:55.15 Code: 0x00000000 Source: usp_SLIM_Site_PreProcess Description: TCP Provider: The specified network name is no longer available. End Error Error: 2008-05-19 09:06:55.18 Code: 0xC002F210 Source: usp_SLIM_Site_PreProcess Execute SQL Task Description: Executing the query "Exec usp_SLIM_Site_PreProcess" failed with the following error: "Communication link failure". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly. End Error DTExec: The package execution returned DTSER_FAILURE (1). Started: 8:51:22 AM Finished: 9:06:55 AM Elapsed: 932.203 seconds. The package execution failed. The step failed.
======================================================
Sometime it fails when gets called through a job and sometimes even when a package is open in a design mode. The actual Stored Procedure NEVER fails if called in SQL Server Management Studio.
Any ideas or suggestions will be very helpful and appreciated
Thanks for your help!
Jacob
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Apr 1, 2014
When running the etl I'm getting the error: <SSIS Task>: Shared Memory Provider: Timeout error [258] ; followed by the message "Communication link failure".
What is special about this message that it happens on a SQL Execute task (random task) and the Timeout is after 2 minutes.
When executing the packages separatly it is working fine. The SQL Tasks that are failing are also quit heavy, but reasonable and takes between >2min and 10 - 15 min. Statements are stored procedures that puts an index on 3 mil. records or update statements,...
I had a look to all my (SSIS-etl)Â timeouts and they have the default value 0, the "remote query timeout" of the server is set to 10 minutes. According to me, these are the only one that exists?
There are 2instances on the server each instance has 24GB allocated, the server has 64 in total. Also when the etl runs (that results in an error) no other etl is running on the 2 instances. I'm working with the oledb sql server native client11.0 provider : SQLNCLI11.1.
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Feb 4, 2015
we have our cubes in Server A and SQL DB resides on Server B (we are on SQL 2014), from last couple of days are cube started failing due to below error:
OLE DB or ODBC error: Protocol error in TDS stream; HY000; Protocol error in TDS stream; HY000; Protocol error in TDS stream; HY000; Communication link failure; 08S01; TCP Provider: An existing connection was forcibly closed by the remote host.
; 08S01
I have been going through some blogs to understand the error but don't find any specific yet.
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Aug 20, 2015
I am looking for solution for "Communication link failure" Â since many months in google but no luck, am running an SSIS package to load data. job failing many times with error 'Communication link failure', searched every where but found nothing.
Below is the complete error description when job failed.
OS - Windows server 2008 R2 Enterprise Edition
RAM - 198GB
 SQL server 2008 R2 Enterprise Edition and error description is below,
Started: Â 6:22:40 AM Â Error: 2015-08-19 18:50:32.70 Â Â Code: 0xC0202009 Â Â Â
Source: Data Flow Task Lookup [193] Â Â Â
Description: SSIS Error Code DTS_E_OLEDBERROR. Â An OLE DB error has occurred.Â
Error code: 0x80004005. Â An OLE DB record is available. Â
[Code] ....
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Oct 18, 2007
Hi,
I am trying to create a linked server between 2 SQL Server 2005 boxes.
When I create the linked server I specify a login for the connection.
The strange part is that I get the following error when it goes to test the connection:
The test connection to the linked server failed
Login failed for user 'Domainuser'. (Microsoft SQL Server, Error: 18456)
I can use the SQL mangement studio to conenct to the database using this same login.
The login has all the server roles assigned to it also.
Can anyone shed some light as to what may be the problem?
Thanks,
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May 3, 2008
Hi,I need some help. I am getting this error after I complete the asp.net register control and click on the continue button. It crashed when it tries to get it calls this Profile property((string)(this.GetPropertyValue("Address1")));When I look at the stack, it is coming from my ProfileWrapper class which adds user address, city, etc.. from a class which inherits fromSystem.Web.Profile.ProfileBase. From the stack, it is calling the System.Web.Profile and crashed when it tries to open a connection atSystem.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject). I already migrated all aspnet_user, aspnet_roles, etc.. and don't get any connection errors. It is only when I try to get the profile data. This works on my pc, but throws an error on my lunarpage website.Any help is greatly appreciated.Thanks,AJAn 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)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: 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)Source Error:Line 100: public virtual string Address2 {Line 101: get {Line 102: return ((string)(this.GetPropertyValue("Address2")));Line 103: }Line 104: set {Source File: c:windowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files
oot 021d50639a6858cApp_Code.54nvluyo.1.cs Line: 102Stack Trace:[SqlException (0x80131904): 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)] System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +435 System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +82 System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +105 System.Data.SqlClient.SqlConnection.Open() +111 System.Web.DataAccess.SqlConnectionHolder.Open(HttpContext context, Boolean revertImpersonate) +84 System.Web.DataAccess.SqlConnectionHelper.GetConnection(String connectionString, Boolean revertImpersonation) +197 System.Web.Profile.SqlProfileProvider.GetPropertyValuesFromDatabase(String userName, SettingsPropertyValueCollection svc) +782 System.Web.Profile.SqlProfileProvider.GetPropertyValues(SettingsContext sc, SettingsPropertyCollection properties) +428 System.Configuration.SettingsBase.GetPropertiesFromProvider(SettingsProvider provider) +404 System.Configuration.SettingsBase.GetPropertyValueByName(String propertyName) +117 System.Configuration.SettingsBase.get_Item(String propertyName) +89 System.Web.Profile.ProfileBase.GetInternal(String propertyName) +36 System.Web.Profile.ProfileBase.get_Item(String propertyName) +68 System.Web.Profile.ProfileBase.GetPropertyValue(String propertyName) +4 ProfileCommon.get_Address2() in c:windowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files
oot 021d50639a6858cApp_Code.54nvluyo.1.cs:102 ProfileWrapper..ctor() in d:inetpubvhostsjavcentral.comhttpdocsApp_CodeProfileWrapper.cs:242 ProfileDataSource.GetData() in d:inetpubvhostsjavcentral.comhttpdocsApp_CodeProfileDataSource.cs:17[TargetInvocationException: Exception has been thrown by the target of an invocation.] System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) +0 System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) +72 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks) +308 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +29 System.Web.UI.WebControls.ObjectDataSourceView.InvokeMethod(ObjectDataSourceMethod method, Boolean disposeInstance, Object& instance) +480 System.Web.UI.WebControls.ObjectDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +1960 System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +17 System.Web.UI.WebControls.DataBoundControl.PerformSelect() +149 System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +70 System.Web.UI.WebControls.FormView.DataBind() +4 System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +82 System.Web.UI.WebControls.FormView.EnsureDataBound() +163 System.Web.UI.WebControls.CompositeDataBoundControl.CreateChildControls() +69 System.Web.UI.Control.EnsureChildControls() +87 System.Web.UI.Control.FindControl(String id, Int32 pathOffset) +21 System.Web.UI.Control.FindControl(String id) +9 CustomerDetailsEdit.OnPreRender(EventArgs e) in d:inetpubvhostsjavcentral.comhttpdocsUserControlsCustomerDetailsEdit.ascx.cs:60 System.Web.UI.Control.PreRenderRecursiveInternal() +86 System.Web.UI.Control.PreRenderRecursiveInternal() +170 System.Web.UI.Control.PreRenderRecursiveInternal() +170 System.Web.UI.Control.PreRenderRecursiveInternal() +170 System.Web.UI.Control.PreRenderRecursiveInternal() +170 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2041
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Mar 13, 2007
I have an ASP page I'm testing and this is what I'm trying to do with it. I simply need it to read a SQL table on my server and display data from that table on screen. Thats it. But no matter how many times I tweak my code I keep getting 404 web page not found. Here is the entire pages code:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"
<script language="JavaScript">
<!--
var win = null;
function NewWindow(mypage,myname,w,h,scroll){
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable=no'
win = window.open(mypage,myname,settings)
}
//-->
</script>
</head>
<%
'**************************************************************************
' This page will be used as a test page for Guests and Links
' its purpose is to simply read the guests and links tables then show
' what ever data is in them on the asp page.
'**************************************************************************
' This is the SQL section
<%
set conn=Server.CreateObject("ADODB.Connection")
conn.Provider="Microsoft.Jet.OLEDB.4.0"
con.Open "PROVIDER=SQLOLEDB;DATA Source=IP Address of server here;Initial Catalog=folder name here;User ID=sa;Password=password here"
set rs = Server.CreateObject("ADODB.recordset")
sql="SELECT * FROM T_ProgramGuests WHERE GuestID > 1"
rs.Open sql, conn
%>
<table border="1" width="100%">
<tr>
<%for each x in rs.Fields
response.write("<th>" & x.name & "</th>")
next%>
</tr>
<%do until rs.EOF%>
<tr>
<%for each x in rs.Fields%>
<td><%Response.Write(x.value)%></td>
<%next
rs.MoveNext%>
</tr>
<%loop
rs.close
conn.close%>
</table>
<p>Company Program Archive<left><HR align="left" WIDTH="50%" SIZE="1" NOSHADE>
</left>
<strong><u>Article Title</u></strong><br />
3/7/2007
<br /><br />
<strong>Trust in Cyberspace<br />
</strong><br />
Your reputation follows you, even into cyberspace. Online reviews, peer comments
and user opinions are changing the way we decide to trust other people. Technology
reporter John Doe sees current website ratings leading the way to a new
standard of social acceptance.</p>
</body>
</html>
I'm doing something wrong here but I'm not sure exactly what I'm missing. Is my SQL connection statement wrong? Or is it a syntax issue? Any suggestions?
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Nov 19, 2007
Overview. I am converting over from MSDE to SQL Express. My front end program is unable to connect to the database. To troubleshoot, from the remote computer I tried connecting with the management program and I get the Error 26 unable to connect.
(The connection string worked previously (yesterday) when using MSDE as the server. When I installed SQL Express I named it the same instance as the server name under MSDE. I also use server authtication on both with same user name and password. As stated below I cannot connect using the managment console.)
Here is what I have done: I made sure that the SQL Server configuration has been changed to allow network connections (both TCP and named pipes). I have disable windows firewall on both machines. I confirmed that I can connect from the remote machined to the server by network browsing. Both machines are running XP Proff. There is no other security software running on either machine.
More Info. when attempting to log on I am using the server authntication, I use "sa" as the user id plus my password.
Goal. The front end of database program connects to the server remotely using a program called Hamachi over the internet. This works without a problem on MSDE. But for now I am simply try to connect using the managment program which lets you browse for other serves. When I do this it shows the remote computer, but not the name of the computer but not the SQL server which I type in like the following: "INTELsql1"
What I have not Done: I have not changed any permissions or added any users to the server, since this does not seem necessary. As stated the user of remote machine can connect to the server and change files.
Would appreciate any suggestions or tips. Thanks.
I HAVE READ THE POST FROM MAY 13, 2007 AND TAKEN ALL STEPS SUGGESTED EXCEPT MAKING SURE THE BROWSERS SERVICE IS RUNNING ON SERVER WHICH I WILL DO NOW.
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Apr 11, 2008
Hello,
I'm looping through a set of IP's (sql servers), i'm changing the property ServerName for OLE DB connection dynamically.
So, I'm having a DataFlow Task inside a For each Task.
Data Flow task has OLE DB Source & OLE DB Destination. I've set ServerName of OLE DB Source to a variable which gets updated by For Each Loop.
Till now everything is working fine. However, if a Server (IP) is down it causes OLEDB Source to give an error.
So in my case, if one server is down, it gives error and does not proceed further. I want it to continue with other
servers.
How do i error handle this ?
Thank You,
Sandeep.
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Jan 18, 2006
Hi,
Yesterday, one of the computers on the network of our SQL server experienced a connection failure while using two specific jobs in a table containing assignments for jobs. The data interaction occurs from a Data Access Page, and from what I've learned, the nature of a DAP is such that the client not only connects to the web server but actually also establishes a direct connection to the SQL Server (we use a backend of MS SQL Server 2003). The data is still inside the tables, but on the Data Access Page, any data that was opened during the connection failure does not show up anymore from any computer.
My guess is that there was corruption of some sort on another layer beneath the actual data layer that cannot be accessed directly or viewed. To remedy this problem, I am going to try to recreate all affected records and rebuild all table ID ties manually with append and update queries. Does anyone know the actual problem or corruption that occurs during a connection failure? Is there a way to access the affected layer(s) and undo the corruption or remedy the affect so the records can be used? Is the problem with the SQL Data itself or on a layer with MS Access/MS DAP?
This data is very important and needs to be used today and was supposed to be used yesterday. If anyone could help me in this matter or provide a better way to undo the supposed corruption, it would be greatly appreciated :)!
thanks in advance,
mellamokb
PS - I don't know if this makes a difference, but other data has been changed in the same database/tables since the connection failure, so a complete reversion back to the system at that point in time would mean loss of other updated data.
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Aug 13, 2007
Hello,
I have encountered a problem with my data source connection. I have a data souce that uses a SQL Login to access a remote server. When I test the connection in the Data Source Designer all works fine. Even when I add the data source as a new data connection in my SSIS package an use it in a OLE DB Source component it works fine, in the preview window.
But when I try to run the package in debug mode i get the following error message,
SSIS package "rXolapform.dtsx" starting.
Information: 0x4004300A at Data Flow Task, DTS.Pipeline: Validation phase is beginning.
Error: 0xC0202009 at rXolapform, Connection manager "Frango_A_Source": SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80040E4D.
An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80040E4D Description: "Communication link failure".
An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80040E4D Description: "TCP Provider: An existing connection was forcibly closed by the remote host.
".
An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80040E4D Description: "Login failed for user 'sa'.".
Error: 0xC020801C at Data Flow Task, OLE DB Source 1 [1675]: SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER. The AcquireConnection method call to the connection manager "Frango_A_Source" failed with error code 0xC0202009. There may be error messages posted before this with more information on why the AcquireConnection method call failed.
Error: 0xC0047017 at Data Flow Task, DTS.Pipeline: component "OLE DB Source 1" (1675) failed validation and returned error code 0xC020801C.
Error: 0xC004700C at Data Flow Task, DTS.Pipeline: One or more component failed validation.
Error: 0xC0024107 at Data Flow Task: There were errors during task validation.
SSIS package "rXolapform.dtsx" finished: Failure.
The program '[4316] rXolapform.dtsx: DTS' has exited with code 0 (0x0).
Does anyone have any idea of what it could be?
Thanks in advance!
/P
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Aug 13, 2000
We are developing an ASP ad component for our web site. For the past one week
we are testing the component in real environment. All of a sudden we are getting the following error message.
Microsoft OLE DB Provider for ODBC Drivers error '80004005'
[Microsoft][ODBC SQL Server Driver]Communication link failure
We are using SQL Server 7.0 with Windows NT4 SP4, IIS and ASP
We are not using any complex joins or view updation. We are using ADODB connection variable with an application scope to establish the connection. When we try to use the connection object to open a Recordset, this error occured. We colsed the connection and destroyed the ApplicationScope Connection object and re-created the object with out any success.
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Apr 10, 2007
I get ODBC Error 823 when I try to access data from Crystal reports and I/O error, communication link failure...from query analyzer. But the weird thing is it is on and off. If I keep keep clicking 4 times in a row it happens 5 time or 7th time. It is alo only on one of the big tables. They are all stored on same primary filegroup?
Any ideas on what this might be? When I checked BOL it said disk error. The network team doesn't seem to agree. How can I make sure it is hardware or software problem?
Please help.
B.T.W we have SQL 2000 Enterprise.
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Jul 20, 2005
Hello,We are the authors of an application written in PowerBuilder (typeClient-Server, database MSSQLServer2000).After some time (1 hour) of client inactivity happens disconnect from serverand aplication reports error 'Communication link failure ...'Please, would you help me, if exists some way how to set up an interval ofthe connectivity between Client and Server. I wasn´t able to find it out inany help or manual.Thank you very much in advance!Pavel
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Mar 15, 2007
I haev an ssis package that copies mulitpple tables from one sever to another.
Halfway thru one of the table copies i get:
[OLE DB Source [1]] Error: An OLE DB error has occurred. Error code: 0x80004005. An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Protocol error in TDS stream". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Communication link failure". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "TCP Provider: An existing connection was forcibly closed by the remote host. ". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Communication link failure". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "TCP Provider: An existing connection was forcibly closed by the remote host. ". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Communication link failure". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "TCP Provider: The specified network name is no longer available. ".
Does this look familiar to anyone?
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Mar 7, 2007
I am running an SSIS packsge across 2 servers. There at 33 Mil rows being copied over. At 5.6 mil rows I get this
[OLE DB Source [1]] Error: An OLE DB error has occurred. Error code: 0x80004005. An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Protocol error in TDS stream". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Communication link failure". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "TCP Provider: An existing connection was forcibly closed by the remote host. ". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Communication link failure". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "TCP Provider: An existing connection was forcibly closed by the remote host. ". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Communication link failure". An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "TCP Provider: The specified network name is no longer available. ".
[DTS.Pipeline] Error: The PrimeOutput method on component "OLE DB Source" (1) returned error code 0xC0202009. The component returned a failure code when the pipeline engine called PrimeOutput(). The meaning of the failure code is defined by the component, but the error is fatal and the pipeline stopped executing.
Is there any known cause of this?
Thanks
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Aug 28, 2006
Hai,
Iam using VC++ application to connect remote database(MSSQL) through network.
Everything works fine, if the network connection is active. If the network breaks and resumes, the application throws "Communication Link Failure" and do not get connected even after the network is resumed.
Client :
* Windows 2000 Professional
* MDAC 2.5
* VC++, using framework- CRecordset to access database
* PEER to PEER network configuration
* DSN through ODBC
Server :
* Windows 2000 Professional
* MDAC 2.8
* MSSQL Server
how to resume the database connection ??
Any one help me????
Thanks in advance,
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Dec 13, 2007
Hi,
I am running dts in Sql Server 2005 management studio from Management, Legacy and data Transformation Services.
Once the dts has run, I get this error message "Error Source : Microsoft Data Transformation Services (DTS) Package Error Description : Error accessing Windows Event Log."
Please help me
thanks in advance
Srinivas
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Mar 6, 2007
Hi!I´m trying to create a merge replication publication for a SQL MobileApplication .Everything works fine creating the publication and I'm able to dothehttp://xxx.xxx.xxx.xxx/aaaaaaa/sqlcesa30.dll, and it display's the"sql server mobile server agent 3.0".But when I run the application on the PDA and it´s doing thereplication it appears the following error:'Failure to connect to SQL Server with provided connectioninformation . SQL Server does not exist , access is denied becausetheIIS user is not a valid user on the SQL Server , or the password isincorrect' .any idea of which could be the reason...?Thanks in advance!!!
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May 22, 2000
We replicate from London to New York and Hong Kong. The New York replication is working fine but everytime we try the Hong Kong replication it starts doing it but when it gets to the bulk copying stage it'll still keep going but on a random table will suddenly fail with a communication link failure message ?? It used to do this and because it keeps trying it used to eventually succeed but recently it never succeeds ?? It keeps trying but we end up having to stop it as it just doesn't succeed anymore ?? Our link to Hong Kong appears fine, we can ping and PC Duo into their servers.
Any ideas would be greatly appreciated as we can't think what it may be ??
thanks
Paul
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Jul 20, 2005
Hi,with SQL 2000 and Windows 2000, we're getting lots of this error message"Communication link failure" from our C++ application.Any idea why?Thanks,
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Aug 15, 2006
Hi Guys,
I am using C++ (Ver 6) that connects to a SQL Server 7 DB using ODBC drivers. The apps connects to the database in the start and listens to the users requests and replies with the required data.
The apps is working fine, but once in a while it looses connection and gives "Communication link failure" message.
I just restart the apps and it is able to reconnect and perform as normal without any problems.
I am not able to find the reason as this behaviour as its very much unpredictable!
The error is returned by SQLExecDirect() function.
The question is, since I still have the Connection Handle, is it possible to just reconnect to the database re-using the same handle ? or do I have any other choices ?
Thanks in advance.
Faisal.
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Sep 1, 2004
Okay-- if anyone can solve this they are truly the SQL genius! We are getting this error when we run a VB program that we use to access an SQL database on a server across our network on a workstation. In fact we get this same error when we even run the program on the server where the SQL database is running or on any of our workstations. Here is the error message:
08501:[Micorsoft][odbc sql server driver] communications link failure
Now the odd thing is that many other functions in the workstation application work fine and retrieve data from SQL but certain data requests by the workstation application fail with the above error message and we get this message consistently. Even though it appears that different workstations running the identical Vb application will get this error consistently but in different locations when running the application. We were running SQL 6.5 on an old server, with the workstation application for literally years without any problems. We also decided to upgrade to a new server, installed server 2000 operating system and the latest version of SQl -- moved all the databases pointed the workstations odbc at this new server and get exactly the same error in the same location in the workstation applications. The programmer that wrote the application and designed the database in SQL can't find the problem and a number of other computer "experts" also could not find the error. We did add a new linksys DSL router/firewall but everything kept working after this installation for several weeks so I don't know if this is the problem on the network. THe programmer also noted that he had problems using terminal services on our network to connect to his office computer and decided that there must be some network issues that are causing the ODBC communicaitions to fail and also terminal services to fail-- or of course they may be unrelated. Has anyone ever seen this ODBC communication error in their travels through SQL implementations? Any help will be greatly appreciated. If we can't fix this we will have to abandon a software application that has been used for over five years and just too complex to rewrite.
Jeff Kilpatrick
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