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

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OMU Client on a Remotely Connected PC Cannot Provide the Predictive MML Command Input Function

OMU Client on a Remotely Connected PC Cannot Provide the Predictive MML Command Input Function


On PC A, the predictive command input function on the MML Command - ME window of HUAWEI Operation & Maintenance System is correct, as illustrated in Figure 6-47.
Figure 6-47 Correct predictive command input function

On PC B, access PC A's desktop remotely, as illustrated in Figure 6-48.
Figure 6-48 Remote desktop connection

After the remote connection is successful, the user who is using HUAWEI Operation & Maintenance System is forced to log out. After the user re-logs in to HUAWEI Operation & Maintenance System and opens the MML Command - ME window, the command in the Command Input box is changed to lowercase letters, and the predictive command input function becomes invalid. In addition, "Command Error!" is displayed after the user attempts to run a command, as illustrated in Figure 6-49.
Figure 6-49 Invalid predictive command input

Possible Causes

  • The settings for remote desktop connection are incorrect.
  • A third-party remote connection tool, which is not recommended, is used to remotely access a PC.

Fault Diagnosis

Check and correct the settings for remote desktop connection.


  1. On the Local Resources tab in the Remote Desktop Connection dialog box, select On the remote computer for Apply Windows key combinations, as illustrated in Figure 6-50.

    Figure 6-50 Local Resources tab

  2. On the Experience tab, select all the options for Allow the following, as illustrated in Figure 6-51.

    Figure 6-51 Experience tab

  3. Reconnect PC B remotely and check whether the predictive command input function is normal.

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

  4. Contact Huawei technical support engineers.

Related Information


Updated: 2019-08-07

Document ID: EDOC1100059098

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