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Catalog File Validation

Updated: December 16, 2008

Applies To: Windows Server 2008 R2

The catalog files are comprised of multiple files that store file and page hashes used to validate the integrity of  system and non-Microsoft files. Each catalog (.cat file) has a digital signature that is used to validate the integrity of the contents stored within that file. If the digital signature on a system catalog file is corrupt, all of the file and page hashes stored in that file will be considered not valid.

Note: Some Windows boot drivers have the page hash and digital signature embedded in the file itself and do not require a catalog file to validate the digital signature.

Events

Event ID Source Message

3010

Microsoft-Windows-CodeIntegrity

Code Integrity was unable to load the %2 catalog.

Related Management Information

Code Integrity

Core Security

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