Exchange Server Information Store has encountered an error while executing a full-text index query

Question

Hi Team need help
Exchange 2013 EAC doesnt show the databases and it gives message
"Your request couldn't be completed. Please try again in a few minutes."
Its a 9 Node DAG and I stopped and diabled Search and Search Host controller on all of them
in the event viewer see a lot of Event id 1012
Log Name:      Application
Source:        MSExchangeIS
Date:          4/1/2013 9:23:48 AM
Event ID:      1012
Task Category: General
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      ex1301.dagdc.com
Description:
Exchange Server Information Store has encountered an error while executing a full-text index query ("and(or(itemclass:string("IPM.Note*", mode="and"), itemclass:string("IPM.Schedule.Meeting*", mode="and"), itemclass:string("IPM.OCTEL.VOICE*",
mode="and"), itemclass:string("IPM.VOICENOTES*", mode="and")), subject:string("SearchQueryStxProbe*", mode="and"), folderid:string("48A300C7FBA4DA408B80EB019A1CE94900000000000E0000"))"). Error
information: System.TimeoutException: Failed to open a channel.
   at Microsoft.Exchange.Search.OperatorSchema.PagingImsFlowExecutor.ExecuteServiceCall(IProcessingEngineChannel& serviceProxy, Action`1 call, Int32 retryCount)
   at Microsoft.Exchange.Search.OperatorSchema.PagingImsFlowExecutor.ExecuteSearchFlow(String flowName, Dictionary`2 inputData)
   at Microsoft.Exchange.Search.OperatorSchema.PagingImsFlowExecutor.<ExecuteInternal>d__18.MoveNext()
   at Microsoft.Exchange.Search.OperatorSchema.PagingImsFlowExecutor.<ExecuteSimple>d__a.MoveNext()
   at Microsoft.Exchange.Server.Storage.FullTextIndex.FullTextIndexQuery.ExecutePagedFullTextIndexQuery(Guid databaseGuid, Guid mailboxGuid, Int32 mailboxNumber, String query, CultureInfo culture, Guid correlationId, QueryLoggingContext loggingContext,
PagedQueryResults pagedQueryResults)
   at Microsoft.Exchange.Server.Storage.StoreCommonServices.StoreFullTextIndexHelper.ExecuteFullTextIndexQuery(Context context, MailboxState mailboxState, QueryParameters queryParameters, PagedQueryResults pagedQueryResults, ExchangeId searchFolderId,
SearchExecutionDiagnostics diagnostics)
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="MSExchangeIS" />
    <EventID Qualifiers="49156">1012</EventID>
    <Level>2</Level>
    <Task>1</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2013-04-01T16:23:48.000000000Z" />
    <EventRecordID>192599</EventRecordID>
    <Channel>Application</Channel>
    <Computer>ex1301.dagdc.com</Computer>
    <Security />
  </System>
  <EventData>
    <Data>and(or(itemclass:string("IPM.Note*", mode="and"), itemclass:string("IPM.Schedule.Meeting*", mode="and"), itemclass:string("IPM.OCTEL.VOICE*", mode="and"), itemclass:string("IPM.VOICENOTES*",
mode="and")), subject:string("SearchQueryStxProbe*", mode="and"), folderid:string("48A300C7FBA4DA408B80EB019A1CE94900000000000E0000"))</Data>
    <Data>System.TimeoutException: Failed to open a channel.
   at Microsoft.Exchange.Search.OperatorSchema.PagingImsFlowExecutor.ExecuteServiceCall(IProcessingEngineChannel&amp; serviceProxy, Action`1 call, Int32 retryCount)
   at Microsoft.Exchange.Search.OperatorSchema.PagingImsFlowExecutor.ExecuteSearchFlow(String flowName, Dictionary`2 inputData)
   at Microsoft.Exchange.Search.OperatorSchema.PagingImsFlowExecutor.&lt;ExecuteInternal&gt;d__18.MoveNext()
   at Microsoft.Exchange.Search.OperatorSchema.PagingImsFlowExecutor.&lt;ExecuteSimple&gt;d__a.MoveNext()
   at Microsoft.Exchange.Server.Storage.FullTextIndex.FullTextIndexQuery.ExecutePagedFullTextIndexQuery(Guid databaseGuid, Guid mailboxGuid, Int32 mailboxNumber, String query, CultureInfo culture, Guid correlationId, QueryLoggingContext loggingContext,
PagedQueryResults pagedQueryResults)
   at Microsoft.Exchange.Server.Storage.StoreCommonServices.StoreFullTextIndexHelper.ExecuteFullTextIndexQuery(Context context, MailboxState mailboxState, QueryParameters queryParameters, PagedQueryResults pagedQueryResults, ExchangeId searchFolderId,
SearchExecutionDiagnostics diagnostics)</Data>
    <Binary>5B444941475F4354585D000084000000FF09000000000000000268000000808A00100000000080CA00100000000080B200100000000080D200100000000030FF001000000000309F00100000000030DF001000000000B09D001000000000B0DD001000000000B0ED001000000000B08D001000000000B095001000000000B0A5001000000000</Binary>
  </EventData>
</Event>

Answer 1

Hi,
Please reenable and start the search engine service and try again.
The simillar case for your reference:
http://social.technet.microsoft.com/Forums/en-US/exchangesvrgeneral/thread/4f43ef50-b71f-4ab3-8ced-70f1c36c5509
Hope it is hlepful.
Fiona Liao
TechNet Community Support