Symptoms
If the server that is running Microsoft Exchange Server 2016 is running on hardware that's earlier than the Intel XEON Processor 5500 series, the Noderunner.exe process crashes.
Additionally, when this problem occurs, you may experience one or more of the following issues:
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Only the IndexNode1 node crashes.
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The Procdump command prompt utility cannot collect a dump file, and then it throws a 0xc000001d exception about an instruction.
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When you run the Test-ExchangeSearch cmdlet on a database, it fails. When this occurs, the content index state of the database is either unknown or Failed.
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An entry for Event ID 4999 that resembles the following is logged in Event Viewer every five minutes:
Cause
This problem occurs because Exchange uses the popcnt instruction that isn't supported on the hardware platform.
Resolution
To fix this issue, install Cumulative Update 2 for Exchange Server 2016 or a later cumulative update for Exchange Server 2016.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology that Microsoft uses to describe software updates.
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.
