"The remote server returned an error: (404) Not Found" Exchange Synchronization error occurs during Journals Synchronization phase

SYMPTOMS

The following message is logged at FATAL level during Journals Synchronization phase:

ZyLAB.EDiscovery.Exchange.Standalone.ExchangeSync.ExchangeSynchronizer - Error while synchronizing journal items from mailbox journal
Microsoft.Exchange.WebServices.Data.ServiceRequestException: The request failed. The remote server returned an error: (404) Not Found. ---> System.Net.WebException: The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at Microsoft.Exchange.WebServices.Data.EwsHttpWebRequest.Microsoft.Exchange.WebServices.Data.IEwsHttpWebRequest.GetResponse()
   at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.GetEwsHttpWebResponse(IEwsHttpWebRequest request)
   --- End of inner exception stack trace ---
   at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.GetEwsHttpWebResponse(IEwsHttpWebRequest request)
   at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.ValidateAndEmitRequest(IEwsHttpWebRequest& request)
   at Microsoft.Exchange.WebServices.Data.MultiResponseServiceRequest`1.Execute()
   at Microsoft.Exchange.WebServices.Data.ExchangeService.BindToFolder[TFolder](FolderId folderId, PropertySet propertySet)
   at Microsoft.Exchange.WebServices.Data.Folder.Bind(ExchangeService service, WellKnownFolderName name)
   at ZyLAB.EDiscovery.Exchange.Standalone.ExchangeSync.EwsFolderManager.GetFolderWithSubfolders(WellKnownFolderName wellKnownFolder, Boolean ignoreErrors)
   at ZyLAB.EDiscovery.Exchange.Standalone.ExchangeSync.EwsFolderManager.FillAvailableFoldersTree()
   at ZyLAB.EDiscovery.Exchange.Standalone.ExchangeSync.EwsExchangeWebService..ctor(ExchangeConnectionSettings connectionSettings)
   at ZyLAB.EDiscovery.Exchange.Standalone.ExchangeSync.ExchangeSynchronizer.SyncFromJournalingMailboxWorker(CancellationToken token, BlockingCollection`1 emailAccounts)

CAUSE

Request Limits configuration in Microsoft Internet Information Services (IIS).

RESOLUTION

Review the Request Limits configuration in Microsoft Internet Information Services (IIS) for Exchange Web Services (EWS) site.

Click Start > Run.
Type "inetmgr".
Expand the IIS server > Sites > Default Web Site > EWS sections.
In the central pane, double click Request Filtering.
In the Request Filtering Page, click the Edit Feature Setting from the Actions pane.
Check that Maximum URL length, and Maximum query string are set to values that allow transfer of the journal items via EWS.

APPLIES TO

3.7; 3.7 Service Pack 1

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