Which Types of Failures May Occur During the O&M?
After a user logs in to a managed host through the CBH system and starts operation, if an error occurs during this period, an error code and its description will be returned.
For details about common CBH error codes and troubleshooting methods, see Table 1.
Error Code |
Error Message |
Troubleshooting |
---|---|---|
ERROR_CLIENT_514 |
The file transfer response time is too long. Please try again or contact the system administrator. |
|
ERROR_CLIENT_515 |
An error occurs during O&M. Please try again or contact the system administrator. |
|
ERROR_CLIENT_519 |
The managed host cannot be accessed because the resource is disconnected or unreachable. If the problem persists, contact the system administrator or check system logs. |
|
ERROR_CLIENT_520 |
The managed host cannot be accessed because the RDP rejects the connection or an error occurs during waiting for response data. If the problem persists, contact the system administrator or check system logs. |
|
ERROR_CLIENT_521 |
Connection conflict occurs due to login of other users. Please try again later. |
|
ERROR_CLIENT_522 |
The connection has been disconnected because the RDP session exceeds the time limit. To restore the connection, contact the system administrator or check the system settings. |
|
ERROR_CLIENT_523 |
The connection has been disconnected because the administrator has disconnected the connection, the account has been logged out, or the host login duration has reached the upper limit. To restore the connection, contact the system administrator or check system logs. |
|
ERROR_CLIENT_769 |
Login failed. The account username, password, or key is incorrect. Please try again. |
|
ERROR_CLIENT_771 |
Contact the administrator to grant account access permission or check your system settings. |
Check whether the remote login permission of the target account is enabled for the managed host. |
ERROR_CLIENT_776 |
The connection has been disconnected because the server does not respond for a long time. Please check your network and try again. |
Check the running status of the local browser. The Google Chrome browser is recommended. |
ERROR_CLIENT_797 |
The number of connections exceeds the upper limit. Close one or more connections and try again. |
Log in to the Windows host locally and run the gpedit.msc command to set the maximum number of connections. |
ERROR_TUNNEL_514 |
The connection has been disconnected because the server does not respond for a long time. Please check your network and try again. |
|
ERROR_TUNNEL_520 |
The proxy server of H5 server is rejecting the connection. Please check your network and try again. |
|
Maintenance Issues FAQs
- Why Does SMS Verification Code Fail to Send When I Log In to a CBH Instance?
- Why Am I Seeing a Message Indicating that the Number of Resources Has Reached the Limit When I Add a Resource to CBH?
- Why Does Verification of An Account for a Managed Host Fail?
- Why Am I Seeing Garbled Characters When I Open a System Data File?
- Why Does Login Timeout Frequently Occur During an O&M Session?
- Why Does the PL/SQL Client Display Garbled Characters During Application O&M?
- Why Is the Requested Session Denied After I Log In to a Managed Host?
- Why Does the CBH Traffic Bandwidth Exceed the Threshold?
- Why Text Cannot Be Copied When I Perform O&M Through a Web Browser?
- Which Types of Failures May Occur During the O&M?
- What Do I Do If an Exception Occurs When I Enter Chinese Characters Using WPS During the O&M of a Windows Server?
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