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### Instruction:
UPGRADE_FPD-3-SYNC_ATTACH
### Response:
(Severity: 3), (Category: PLATFORM), (Description: Failed to attach sync message handler. An handler is not being setup for receiving all synchronous message. This involves exiting the upgrade_fpd or lc_upgrade_fpd process.), (Recommended Action: First try to restart the process ( upgrade_fpd or lc_upgrade_fpd) and check if the problem is recovered. If not do a switchover RP or reboot the router either manually or via Command line. If that too fails call Copy the error message exactly as it appears on the console or in the system log, call your Cisco technical support representative and provide the representative with the gathered information.)
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