| Event Id | 479 |
| Source | ESE |
| Description | process name (process id) file nameThe patch page read from the file "value" at offset value for error code bytes failed verification due to a page checksum mismatch. The expected checksum was value and the actual checksum was %9. The read operation will fail with error value. If this condition persists then please restore using an earlier backup set. |
| Event Information | According to Microsoft Cause: 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. Resolution: Review the event log for hardware-related messages. After the hardware problem is resolved, perform backup or restore again. |
| Reference Links | "Event Id:479 of Source Id:ESE " |
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