Issue
The Archive Shuttle Shortcut Process module may log the following error:

2019-12-01 12:08:20Z|3092|  9|ERROR|  <QueueForScan>b__13|Error while scanning folder [212]:   System.Object ExecSQL(System.String)
Error in IMAPITable::FindRow: MAPI_E_TOO_BIG
   at Redemption.MAPITableClass.ExecSQL(String SQLCommand)
   at ArchiveShuttle.Module.ShortcutPostprocessModule.ShortcutProcessor.ShortcutRevertProcessor.Scan(MAPITable mapiTable, String folderName)
   at ArchiveShuttle.Module.ShortcutPostprocessModule.ShortcutProcessor.ShortcutProcessorBase.<>c__DisplayClass14.<QueueForScan>b__13()
2019-12-01 12:08:20Z|3092|  4|ERROR| <EnumerateImpl>b__8|Error while enumerating folders.  Redemption.RDOFolder GetFolderFromID(System.String, System.Object, System.Object)
Error in IMsgStore.OpenEntry: MAPI_E_TOO_BIG
ulVersion: 0
Error: Your server administrator has limited the number of items you can open simultaneously. Try closing messages you have opened or removing attachments and images from unsent messages you are composing.
Component: Microsoft Exchange Information Store
ulLowLevelError: 1246
ulContext: 1354
   at Redemption.IRDOSession.GetFolderFromID(String EntryIDFolder, Object EntryIDStore, Object Flags)
   at ArchiveShuttle.Modules.ExchangeLibrary.FolderManagement.FolderEnumerator.EnumerateImpl(String folderEntryId, Boolean recursive, Action`1 folderCallback)
   at ArchiveShuttle.Modules.ExchangeLibrary.FolderManagement.FolderEnumerator.<>c__DisplayClasse.<EnumerateImpl>b__8()
   at Amib.Threading.Internal.WorkItemsGroupBase.<>c__DisplayClass1.<QueueWorkItem>b__0(Object param0)
   at Amib.Threading.Internal.WorkItem.ExecuteWorkItem()

Solution
This issue occurs if the user has the deep folder structure in his mailbox. For example:
Folder1
\Subfolder1
\Sunfolder2

\Subfolder400

The issue can be mitigated to some extent by  (The Open Item Limits section):
http://technet.microsoft.com/en-us/library/ff477612(v=exchg.141).aspx
QUADROtech is currently investigating this issue – if you encounter a situation which fits this article, please contact QUADROtech Support.

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