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A network-related or instance-specific error occurred while establishing a connection Expand / Collapse
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Posted Thursday, November 14, 2013 12:39 AM
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Hi,
From some days I am facing this error.
This error occurred frequently after some time on accessing the website.
But database from mgmt studio is always accessible without any interruption.
plz help.

bleow log details.

Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 11/14/2013 1:03:22 PM
Event time (UTC): 11/14/2013 7:33:22 AM
Event ID: d0361da82cd84612abf9903eec00cce8
Event sequence: 90
Event occurrence: 1
Event detail code: 0

Application information:
Application domain: /LM/W3SVC/6/ROOT-4-130288878865308414
Trust level: Full
Application Virtual Path: /
Application Path: C:\inetpub\wwwroot\intranetuat\
Machine name: mysysname

Process information:
Process ID: 14476
Process name: w3wp.exe
Account name: IIS APPPOOL\intranetuat

Exception information:
Exception type: SqlException
Exception message: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)

Request information:
Request URL: http://intranetuat.com/leaverequestform.aspx
Request path: /leaverequestform.aspx
User host address: 192.168.10.10
User:
Is authenticated: False
Authentication Type:
Thread account name: IIS APPPOOL\intranetuat

Thread information:
Thread ID: 14
Thread account name: IIS APPPOOL\intranetuat
Is impersonating: False
Stack trace: at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.SqlClient.SqlConnection.Open()
at Db.GetConnection()
at Db.getListofPendingRequest(String mailid)
at MainMaster.Page_Load(Object sender, EventArgs e)
at System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e)
at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e)
at System.EventHandler.Invoke(Object sender, EventArgs e)
at System.Web.UI.Control.OnLoad(EventArgs e)
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)


Custom event details:


Thanks.......
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