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Fat AP and Cloud AP V200R010C00 Command Reference

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display upgrade failure-reason

display upgrade failure-reason


The display upgrade failure-reason command displays the reasons for the latest upgrade failure.

Only AP5030DN, AP5130DN, AP4030DN, AP4130DN, AP9131DN, AP9132DN support this command.


display upgrade failure-reason




System view

Default Level

1: Monitoring level

Usage Guidelines

Run the display upgrade failure-reason command to check causes of upgrade failures so that you can take corresponding measures to fix the error.

Table 2-46  Causes of upgrade failures
Message Description
Error: Upgrade failed by getting data. Failure in obtaining the upgrade data.
Error: Upgrade failed by decrypting password. Failure in decrypting the password.
Error: Upgrade failed by configuring ip address. Failure in configuring the IP address for the AP.
Error: Upgrade failed by downloading version file. Failure in downloading the upgrade file. If this error message is displayed, check network connections and ensure that the fat AP can communicate with the server.
Error: Upgrade failed by version mismatched. Unmatched versions. If this error message is displayed, check whether the version file name is modified.
Error: Upgrade failed by invalid version filename. Invalid file name. If this error message is displayed, check whether the version file name is modified.
Error: Upgrade failed by type mismatched. Unmatch between the upgrade file and AP type. If this error message is displayed, check whether the upgrade file is correct.
Error: Upgrade failed by md5 or crc check. CRC error. If this message is displayed, check whether data is modified or lost during transmission.
Error: Upgrade failed by writing flash. Failure in writing the upgrade file into the flash memory.
Error: Upgrade failed by resetting factory configuration. Failure in restoring the factory settings.
Error: Upgrade failed by other reasons. Other causes.
Info: Upgrade successfully. Successful upgrade.


# Display the reasons for the latest upgrade failure.

<Huawei> system-view
[Huawei] display upgrade failure-reason
Info: Connecting to remote server failed!
Updated: 2019-11-21

Document ID: EDOC1100064352

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