| Event Id | 51 |
| Source | Cdrom |
| Description | An error was detected on device %1 during a paging operation. |
| Event Information | Explanation : An input/output (I/O) request to a memory-mapped file failed and the operation was retried. User Action : No user action is required. |
| Reference Links | Windows 2000 Reports Event ID 51 During HA/F200 Cluster Failover |
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