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ITsVISTA KB-Link: KB950858

Dedicated dump files are unexpectedly truncated to 4 GB on a computer that is running Windows Server 2008 or Windows Vista and that has more than 4 GB of physical memory

Consider the following scenario:

  • On a computer that is running Windows Server 2008 or Windows Vista, you have more than 4 gigabytes (GB) of physical memory installed.
  • The system is configured to generate a full memory dump file.
  • The DedicatedDumpFile and DumpFileSize registry values are created. The value of the DumpFileSize parameter is larger than 4096.

In this scenario, the generated dump file is unexpectedly truncated to 4 GB.

Note: To deploy, troubleshoot, and service large memory platforms, OEM partners and customers may have to create large dump files.

There is a download that resolves this issue. See Hotfixes for details.

For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB950858.

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