SharePoint 2010 Search Issue

I am having a multiple server Farm set up.

Search is working fine for most of the sites.

Only for one site it is throwing me correlation IDerror:

When i searched through my trace logs I found the below two exceptions:

1.(Watson Reporting Cancelled) System.Threading.ThreadAbortException: Thread was being aborted.   
 at Microsoft.SharePoint.WebPartPages.DataFormWebPart.PrepareAndPerformTransform(Boolean bDeferExecuteTransform)   
 at Microsoft.SharePoint.WebPartPages.DataFormWebPart.PerformSelect()   
 at Microsoft.SharePoint.WebPartPages.DataFormWebPart.DataBind()   
 at Microsoft.SharePoint.WebPartPages.DataFormWebPart.EnsureDataBound()   
 at Microsoft.SharePoint.WebPartPages.DataFormWebPart.CreateChildControls()   
 at Microsoft.Office.Server.Search.WebControls.SearchResultsBaseWebPart.CreateChildControls()   
 at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.CreateChildControls()

2.Internal server error exception: System.ServiceModel.FaultException`1[System.ServiceModel.ExceptionDetail]: The specified network name is no longer available. (Exception from HRESULT: 0x80070040) (Fault Detail is equal to An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is: System.Runtime.InteropServices.COMException: The specified network name is no longer available. (Exception from HRESULT: 0x80070040)  
 at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)   
 at Microsoft.Office.Server.Search.Query.KeywordQueryInternal.Execute()   
 at Microsoft.Office.Server.Search.Query.QueryInternal.Execute(QueryProperties properties)   
 at Microsoft.Office.Server.Search.Administration.SearchServiceApplication.Execute(QueryProperties properties)   
 at SyncInvokeExecute(Object , Object[] , Object[] )   
 at System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)   
 at System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)   
 at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)   
 at System.ServiceModel.Dispatcher.Immutabl...). System.ServiceModel.FaultException`1[System.ServiceModel.ExceptionDetail]: The specified network name is no longer available. (Exception from HRESULT: 0x80070040) (Fault Detail is equal to An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is: System.Runtime.InteropServices.COMException: The specified network name is no longer available. (Exception from HRESULT: 0x80070040)  
 at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)   
 at Microsoft.Office.Server.Search.Query.KeywordQueryInternal.Execute()   
 at Microsoft.Office.Server.Search.Query.QueryInternal.Execute(QueryProperties properties)   
 at Microsoft.Office.Server.Search.Administration.SearchServiceApplication.Execute(QueryProperties properties)   
 at SyncInvokeExecute(Object , Object[] , Object[] )   
 at System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)   
 at System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)   
 at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)   
 at System.ServiceModel.Dispatcher.Immutabl...).

I have tried to to check for almost everything but no success.