FIX: Results exported through the eDiscovery PST Export Tool never finishes in an Exchange Server environment

In an Exchange Server environment, when you perform an eDiscovery search and then export the results through the eDiscovery PST Export Tool, the export never finishes and you receive the following error message:

Export failed with error: Export failed with error type: 'Unknown'. Details: Value cannot be null.

Parameter name: key.

This issue occurs when the Item property has a Null value when results are exported.

Cumulative update information

For Exchange Server 2013

To resolve this issue, install Cumulative Update 15 for Exchange Server 2013 or a later cumulative update for Exchange Server 2013.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Learn about the terminology that Microsoft uses to describe software updates.
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Article ID: 3209018 - Last Review: 12/13/2016 17:30:00 - Revision: 1.0

Microsoft Exchange Server 2013 Enterprise

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