Symptoms
Consider the following scenario:
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Your primary mailbox is located on an on-premises server in a Microsoft Exchange Server 2010 hybrid environment.
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Your archive mailbox is located in Microsoft Office 365 Exchange Online.
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You perform an eDiscovery search for the on-premises mailbox.
In this scenario, the operation fails, and you receive an error message that resembles the following:
An error occurred when searching Mailbox user's Display Name. The message is 'Exchange Web Service call for keywords statistics information failed. Error: The specified object was not found in the store.'
Resolution
To resolve this issue, install the following update:
2961522 Update Rollup 7 for Exchange Server 2010 Service Pack 3
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More Information
For more information about how to create an In-Place eDiscovery search, go to the following Microsoft website:
