| Event Id | 479 |
| Source | ESE98 |
| Description | <process name> (<process id>) The patch page read from the file "<file name>" at offset <value> for <value> bytes failed verification due to a page checksum mismatch. The expected checksum was <value> and the actual checksum was <value>. The read operation will fail with error <error code>. If this condition persists then please restore using an earlier backup set. |
| Event Information | The patch file specified in the message is corrupt. This may have occurred during backup or restore, and may be due to a hardware problem. Review the event log for hardware-related messages. After the hardware problem is resolved, perform backup or restore again. |
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