title: Currently, All my SQL Request showing "System.ComponentModel.Win32Exception: The wait operation timed out"
body: <p>Suddenly, all of sql server requests showing "System.ComponentModel.Win32Exception: The wait operation timed out". What is the quickest way to find the issue?</p>
  
  <pre><code>Stack Trace: 
  
  
  [Win32Exception (0x80004005): The wait operation timed out]
  
  [SqlException (0x80131904): Timeout expired.  The timeout period elapsed prior to completion of the operation or the server is not responding.]
     System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) +1767866
     System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) +5352418
     System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) +244
     System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean&amp; dataReady) +1691
     System.Data.SqlClient.SqlDataReader.TryConsumeMetaData() +61
     System.Data.SqlClient.SqlDataReader.get_MetaData() +90
     System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +365
     System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task&amp; task, Boolean asyncWrite, SqlDataReader ds) +1406
     System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task&amp; task, Boolean asyncWrite) +177
     System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +53
     System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) +134
     System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior) +41
     System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) +10
     System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +140
     System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +316
     System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) +86
     System.Web.UI.WebControls.SqlDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +1481
     System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +21
  </code></pre>
  
  <p>I got the SQl that is causing the blocking issue by,</p>
  
  <p><a href="http://www.sqlskills.com/blogs/paul/script-open-transactions-with-text-and-plans/">http://www.sqlskills.com/blogs/paul/script-open-transactions-with-text-and-plans/</a></p>