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CloudEC V600R019C00 Troubleshooting (Enterprise On-premises, Convergent Conference)

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Writing the File Fails During an LMT Update

Writing the File Fails During an LMT Update


During an LMT update, the system displays an error message indicating writing the file fails, as illustrated in Figure 6-39. After the LMT is updated again, the upgrade succeeds.
Figure 6-39 Error message

Possible Causes

The network between the LMT and OMU server is unstable or abnormal.

Fault Diagnosis

Check the status of the network between the LMT and OMU server.


  1. Check whether your local VPN is connected, as illustrated in Figure 6-40.

    Figure 6-40 Reconnecting the VPN

    • Yes: Go to 2.
    • No: Click Connect to reconnect the VPN. Then, go to 2.

  2. Check whether the OMU server is pingable from your local PC.

    1. Choose Start > Run. Enter CMD and press Enter. The CLI is displayed.
    2. Run ping OMU server IP address, as illustrated in Figure 6-41. Check whether packet loss occurs.
    Figure 6-41 Pingable network between the LMT and OMU server

    • Yes: Go to 4.
    • No: Go to 3.

  3. Update the LMT again. Check whether the error message is displayed.

    • Yes: Go to 4.
    • No: No further action is required.

  4. Contact Huawei technical support engineers.

Related Information


Updated: 2019-08-07

Document ID: EDOC1100059098

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