Intermittent Connectivity Issues Though Network Is Fine

Oct 3, 2006

Hi,

I am getting intermittent connectivity issues while connecting to a remote SQL Server 2000 database through the Enterprise Manager. It gives a time-out error

Initially I guessed it must be the network but then I was able to term-serv successfully into the remote server and work without any connectivity issues.

Any pointers how this is possible ?

Thanks for your help.

Regards,
-Ranjit S Hans.

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Intermittent Connection Timeout / General Network Error

Nov 26, 2006

We have a SQL 2005
clustered server (Microsoft Cluster Services) that is queried from 4 IIS6
Windows Server 2003 frontends. Each frontend runs both classic ASP apps
connection with SQL Server ODBC and .NET2 apps connecting with
System.Data.SqlClient. Ocassionaly we get a string of errors/timeouts opening a
connection lasting maybe 2 minutes.

One the classic ASP
apps we log one of these two errors:

Microsoft OLE DB Provider for ODBC
Drivers (0x80004005)
[Microsoft][ODBC SQL Server
Driver][DBNETLIB]General network error. Check your network
documentation

or

Microsoft OLE DB Provider for
ODBC Drivers (0x80004005)
[Microsoft][ODBC SQL Server
Driver]Timeout expired
on the
ADODB.Connection.Open
On the .NET2 apps we
log
Message Timeout expired. The timeout
period elapsed prior to completion of the operation or the server is not
responding.

StackTrace at

System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection
owningObject)
at
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection
owningConnection)
at
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection
outerConnection, DbConnectionFactory connectionFactory)
at
System.Data.SqlClient.SqlConnection.Open()
at
System.Web.SessionState.SqlSessionStateStore.SqlStateConnection..ctor(SqlPartitionInfo
sqlPartitionInfo)

Source .Net SqlClient Data Provider

Any ideas for further debugging?

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Mar 27, 2008

Greetings,

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How should this issue be troubleshoot to determine the problem and what areas need to be looked at?

Thanks

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Sep 5, 2001

Has anyone experienced timeouts connecting to SQL 2K from a client and also the server console itself. Typically this error occurs on the client: Microsoft OLE DB Provider for SQL Server error `80040e14`
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conn_info.asp, line 444

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The .bak file is sizable at about 9GB. The .bak file resides on our internal network, in a SAN drive. No problems there. When we copy the file from there into a sandbox environment to attempt the restore in the sandbox environment it gets corrupted. We've tried three different times and all three different times it gets corrupted. First time we copied the file over to the sandbox the restore went up to 50% and failed. The second time we copied the file again and attempted the restore again it failed at 70%.

The third time it failed at 60%. The error message we get during the restore is "...Read on ... failed: 13(The data is invalid) Msg 3013, Level 16, State 1, Line 1 Restore database is terminating abnormally."

Now some background here. To move the file our network team is doing this: they have this .vmdk file that they mount out in our production environment (which has access to the network location where the .bak file is), copy the file into the drive, then move the .vmdk file into the sandbox environment(which does not have access to the network location), mount the drive in the sandbox environment, and then I have access to the .bak file from within the sandbox environment.

Something in the process of using the .vmdk file to move the .bak file from production into the sandbox is causing the file to get corrupted.

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Sep 30, 2004

Hello all,

We have a Windows 2003 Web Edition server serving a site through IIS. It connects to a Windows 2003 Standard Edition server running SQL 2000 SP3a.

This site receives the following error as seen in the topic:
[DBNETLIB][ConnectionRead (recv()).]General network error. Check your network documentation.

We've configured the server network utility to only allow TCP/IP connections. The connection string for the site is as follows:

<%
' FileName="Connection_ado_conn_string.htm"
' Type="ADO"
' HTTP="false"
' Catalog=""
' Schema=""
MM_connSpankMSSQL_STRING = "Provider=sqloledb;Data Source=SERVER_IP,1433;Network Library=DBMSSOCN;Initial Catalog=ourmaindb_1;User ID=ourmaindb_1;Password=hotcookies;"
%>

Any ideas or tips on solving this issue? We've noticed it is due to larger queries as smaller ones do work with no problems.

The servers are behind a BSD box running iptables, has 1433,1434 along with standard web ports wide open. Anything outbound is allowed.

Some further testing via ODBC on the IIS server improved things. No more connection pooling for the SQL Server driver allows for 1/3 of the query to run. Still 2/3s of it doesn't show up, and that general network error message appears.

Should have 330 rows if it works right.

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May 19, 2004

Hi
While running a DTS, many times the error message: "[DBNETLIB][ConnetionWrite (WrapperWrite()).]General network error. Check your network documentation." appears.
Does somebody knows why?

I am running the DTS from a computer (not the server where the DTS is stored) and it is connected without any problem when this happens.

Thanks!!
Regards
Lautaro - Argentina.

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Oct 4, 2007

Hi Every one,

I am using .Net 1.1 for my web application.

And my database server is SQL Server 2005.

My application is running fine, as i can login to it and also able to view pages. But when i open Order management(having 3K records) its give me error,

General Network Error. Check your network documentation


I have also searched many articles and tried following solutions but nothing working

- connectiontimeout = 0, max pool size = 7500/100, pooling = false

- SSL disabling enforce security false as mentioned in microsoft kb article.

And there's nothing any issue with hardware/firewall as my application's login and other forms are working fine(which use same database with same connection string)

Can any one please help me to solve this error?

With Regards,

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May 26, 2007

Hi We have a written a error log in Global.asax. which capture below mentioned error in the prodcution server. Same applications is working fine in some locations and some loactions we are getting the error.Any body knows why this error is occurs.Any body knows why this error is occurs. Error Message:General network error. Check your network documentation.Stack Trace: at System.Data.SqlClient.SqlInternalConnection.OpenAndLogin() at System.Data.SqlClient.SqlInternalConnection..ctor(SqlConnection connection, SqlConnectionString connectionOptions) at System.Data.SqlClient.SqlConnection.Open() at datalayer.sqldb.Execute(String ProcedureName, SqlParameter[] Parameters) at lms.User.GetUserDetails(String strUserid)ITs at LMS.Login.w_btn_Login_Click(Object sender, EventArgs e) at System.Web.UI.WebControls.Button.OnClick(EventArgs e) at System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)

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Oct 4, 2007

 Hi,I am using .Net 1.1 for my web application.And my database server is SQL Server 2005. My application is running fine, as i can login to it and also able to view pages. But when i open Order management(having 3K records) its give me error,General Network Error. Check your network documentation  I have also searched many articles  and tried following solutions but nothing working- connectiontimeout = 0, max pool size = 7500/100, pooling = false- SSL disabling enforce security false as mentioned in microsoft kb article. And there's  nothing any issue with hardware/firewall as my application's login and other forms are working fine(which use same database with same connection string) Can any one please help me to solve this error? 

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Feb 8, 2004

When I try to update the site setting, I get this Error and I don't know how to fix.

Server Error in '/DotNetNuke' Application.
--------------------------------------------------------------------------------

General network error. Check your network documentation.
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: General network error. Check your network documentation.

Source Error:


Line 281:
Line 282: myConnection.Open()
Line 283: myCommand.ExecuteNonQuery()
Line 284: myConnection.Close()
Line 285: End Sub


Source File: C:DotNetNukeComponentsAdminDB.vb Line: 283

Stack Trace:


[SqlException: General network error. Check your network documentation.]
System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream) +721
System.Data.SqlClient.SqlCommand.ExecuteNonQuery() +196
DotNetNuke.AdminDB.UpdatePortalInfo(Int32 PortalId, String PortalName, String PortalAlias, String LogoFile, String FooterText, Int32 UserRegistration, Int32 BannerAdvertising, String Currency, Int32 AdministratorId, String ExpiryDate, Double HostFee, Double HostSpace, String PaymentProcessor, String ProcessorUserId, String ProcessorPassword, String Description, String KeyWords, String BackgroundFile, Int32 SiteLogHistory) in C:DotNetNukeComponentsAdminDB.vb:283
DotNetNuke.SiteSettings.Update_Click(Object sender, EventArgs e) in C:DotNetNukeadminPortalSiteSettings.ascx.vb:287
System.Web.UI.WebControls.LinkButton.OnClick(EventArgs e)
System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument)
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument)
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
System.Web.UI.Page.ProcessRequestMain()


--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.573; ASP.NET Version:1.1.4322.573

Please Help!

Thank you,

dlouanis

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Jan 9, 2006

I use sqlclient to connect directly from my mobile 5 pocketpc to a sql server 2005 database on my desktop.

I use a sqldatareader to traverse the results of a query that delivers 2 fields: (1) the filespec, and (2) the image field.

I use a filestream with a binary writer to write the contents of the image data to the pocketpc's storage card.

I have a test table with 10 images, not one more than 4 MB.  I cannot complete a test run prior to receiving the  general network error.

The pocketPC is connected via activesync to the desktop, and I connect to the database with:

Integrated Security=false;
user id=sa
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Any help with this strange error would be greatly appreciated.

Wil

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Oct 11, 2006

Hi I get a "General Network Error Check network documentation" error sometimes, but its only while insert or update statements are fired while selects keep working perfectly.

The Error details are as follows:
General network error. Check your network documentation.
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: General network error. Check your network documentation.
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: General network error. Check your network documentation.]
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Nov 23, 2004

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When the user logs out of the application the lock clears and the system returns to normal.

Indexes have been rebuilt, auto update statistics is on.

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Jan 29, 2007

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Jan 25, 2007

I have this problem occuring intermittently:


When I try to add a package to the project, and click on the Package path button. I get a oledb error x080004005 (client unable to establish connection)...



After I click ok, and click on the Package path again 2 or 3 times, the error goes away and I get the list of packages displayed. Some time I get an empty list box.

Similar to this happens when I execute a package also. When I execute it 2nd or 3 rd time it works fine. The error happens only when I am trying to connect to the serverdatabase. Once it is in the database I do not get any error message.



This is what I have:

I have sql 2005 installed.
Microsoft SQL Server Management Studio 9.00.1399.00
Microsoft Analysis Services Client Tools 2005.090.1399.00
Microsoft Data Access Components (MDAC) 2000.085.1117.00 (xpsp_sp2_rtm.040803-2158)



Thank you in advance!!!



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Public Function FetchPostings() As ADODB.Recordset
Dim cmFetch As ADODB.Command

On Error GoTo HandleError
Set cmFetch = New ADODB.Command
With cmFetch
.Name = "FetchObligations"
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Set FetchObligations = .Execute
End With

ExitSub:
Set cmFetch = Nothing
Exit Function

HandleError:
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The partition with SQLS 2005 SP-1 also has SSX SP-1 with Advanced Services installed. Some minor problems occured when installing SSX SP-1, so I removed the original SSX instance and reinstalled SSX SP-1. See http://oakleafblog.blogspot.com/2006/03/sql-server-2005-sp1-ctp-available-for.html.

The same SSMS project runs fine on a fresh install of SQLS 2005 RTM under WS 2003 SP-1 on another machine partition. (This machine isn't running VS.) No messages fail to reach the Target database, as would be expected.

Has anyone else encountered similar anomalous behavior with SSB under SP-1 CTP? This problem ran me nuts for an entire day until I finally gave up and created a new SQLS 2005 RTM test instance.

If anyone (especially Remus) wants a copy of the scrpt, send your e-mail address to roger_jennings(nospam_at)compuserve(nospam_dot)com.

--rj

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SSMS - Intermittent Login Failure

Mar 31, 2006

I have a 2000 / 2005 side-by-side installation on our test server.

To login to 2005 with SSMS, the connect string is

hostname/SQL2005, 1434

There's a WiFi network connecting my client PC to the network.

SSMS fails to login frequently. I need to exit SSMS, then login again. It'll work.

A new problem today - after successful login, I can't open a project and login successfully. Error messages states "Failed to Login".

Any tips?

Sam

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