The Windows Hardware Error Architecture (WHEA) feature is enabled on Windows Server 2008 or Windows Vista Service Pack 1 (SP1) systems that are installed on computers that use Intel® Core™ i7 (Nehalem) Processors.

In the following event in the System event log, the WHEA handler incorrectly reports that corrected memory errors are processor translation lookaside buffer (TLB) errors:

Log Name: System
Source: Microsoft-Windows-WHEA-Logger
Event ID: 19
Task Category: None
Level: Warning
Error Source: Corrected Machine Check
Error Type: TLB Error
A corrected hardware error occurred.
Therefore, customers incorrectly assume that the system's processors have to be replaced. In fact, customers may have to replace failing memory DIMMs.

Regardless of how many times the customer replaces the processors, the errors in the event log persist.

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