KB: Microsoft Azure AD Management Agent hangs during Full Import or Delta Import

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KB7334333232

When you run a Full Import or a Delta Import on the Microsoft Azure Active Directory (Azure AD) Connector, one of the following actions occur:

1. The following error is logged in the Application Event Log:

FIMSynchronizationService Event 6801
The extensible extension returned an unsupported error.
The stack trace is:
“System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at System.Collections.ObjectModel.KeyedCollection`2.get_Item(TKey key)
at Microsoft.Azure.ActiveDirectory.Connector.Connector.GetConnectorSpaceEntryChange(SyncObject syncObject)
at System.Linq.Enumerable.WhereSelectListIterator`2.MoveNext()
at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 collection)
at Microsoft.Azure.ActiveDirectory.Connector.Connector.GetImportEntriesCore()
at Microsoft.Azure.ActiveDirectory.Connector.Connector.GetImportEntries(GetImportEntriesRunStep getImportEntriesRunStep)

2. You receive the following error message:

DirectorySynchronization Event 109:
Failure while importing entries from Windows Azure Active Directory. Exception: System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at System.Collections.ObjectModel.KeyedCollection`2.get_Item(TKey key)
at Microsoft.Azure.ActiveDirectory.Connector.Connector.GetConnectorSpaceEntryChange(SyncObject syncObject)
at System.Linq.Enumerable.WhereSelectListIterator`2.MoveNext()
at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 collection)
at Microsoft.Azure.ActiveDirectory.Connector.Connector.GetImportEntriesCore()
at Microsoft.Azure.ActiveDirectory.Connector.Connector.GetImportEntries(GetImportEntriesRunStep getImportEntriesRunStep).

For complete details as well as a resolution, please see the following:

KB3096482 - "System.Collections.Generic.KeyNotFoundException" error and Azure AD Management Agent hangs during Full Import or Delta Import (https://support.microsoft.com/en-us/kb/3096482)

J.C. Hornbeck | Solution Asset PM | Microsoft GBS Management and Security Division

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