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Why Does the System Display Error Code 122.112... When I Log In to a Windows ECS? Symptom The system displays error 122.112... when you use RDC to locally access an ECS running Windows Server 2012. The ECS is frequently disconnected and the Windows login process is unexpectedly interrupted
What Should I Do If NIC Flapping Occurs After My ECS Specifications Are Modified? Symptom Take a Linux ECS as an example. After the user modified ECS specifications and ran the ifconfig command, the user found that the original eth0 and eth1 NICs were changed to eth2 and eth3 NICs
What Can I Do If the Buffer and Cache Occupy Too Much Memory of a Linux ECS? Symptom When querying the system memory usage using free after the Linux ECS runs for a long period, you have found that most of the memory is used by buffers and cache. Possible Cause In Linux memory management
How Do I Change the Login Mode of a Linux ECS from Key Pair to Password? Scenarios This section describes how to change the login mode of a Linux ECS from key pair to password. Procedure Use the key pair to log in to the Linux ECS and set the password of user root. sudo passwd root
Why Does It Take a Long Time to Connect to an ECS Using SSH After UseDNS Is Enabled? Symptom It takes a long time to connect to an ECS using SSH. Possible Causes After the UseDNS option is enabled for the sshd service on the SSH server, when a client attempts to connect to the server
Why Does BSOD Occur When I Log In to an ECS Using Remote Desktop Connection? Symptom When you attempt to use a remote desktop connection to log in to an ECS running Windows Server 2012 R2 from a local computer with redirected drive enabled, BSOD occurs. Root Cause The remote desktop
How Do I Enable or Disable a Windows ECS Firewall and Add Port Exceptions to the Firewall? Scenarios This section describes how to enable and disable a Windows ECS firewall and add a port exception to the firewall. The following operations are performed on an ECS running Windows Server
What Can I Do If My Windows ECS Can Ping a Website but Cannot Access it? Symptom Your Windows ECS cannot access websites or applications after running for a long time. You can remotely log in to the ECS and ping websites using the ECS, but it failed to access websites or applications
How Do I Troubleshoot Blue Screen or Black Screen Errors After an ECS Is Started? Symptom When you are remotely logging in to an ECS, a screen that's black or blue is displayed. Root Cause The blue screen or black screen errors are caused by explorer.exe errors in Windows. explorer.exe
What Can I Do If the Permissions on the Root Directory of My CentOS ECS Changed to 777? Symptom You executed the chmod -R 777 / command on your ECS running CentOS, and the permissions on the root directory were changed to 777. As a result, most services were unavailable and most commands
Why No Audio File Can Be Properly Played on My Windows ECS Logged In Using VNC? Symptom When I logged in to my Windows ECS using MSTSC, audio files can be properly played. However, when I logged in to that ECS using VNC, audio files failed to be played. Possible Causes VNC does not
Why Does BSOD Occur When I Log In to an ECS Using Remote Desktop Connection? Symptom When you attempt to use a remote desktop connection to log in to an ECS running Windows Server 2012 R2 from a local computer with redirected drive enabled, BSOD occurs. Root Cause The remote desktop
Why Does a Blank Screen Appear After I Attempted to Log In to an ECS Using VNC? The blank screen means that another user has logged in to this ECS using VNC, so you were logged out. Only one user can be logged in to an ECS using VNC at a time. If you are already logged in and another
Why Does the System Display Error Code 122.112... When I Log In to a Windows ECS? Symptom The system displays error 122.112... when you use RDC to locally access an ECS running Windows Server 2012. The ECS is frequently disconnected and the Windows login process is unexpectedly interrupted
Why Does the System Display Error Code 0x1104 When I Log In to a Windows ECS? Symptom The system displays an error message indicating that a protocol error (code: 0x1104) is detected when you use MSTSC to access an ECS running Windows Server 2008. Figure 1 Protocol error (code: 0x1104
Why Does the System Display Error Code 0x112f When I Log In to a Windows ECS? Symptom When you log in to a Windows ECS, the system displays error code 0x112f, as shown in Figure 1. Figure 1 Error message (code: 0x112f) Possible Causes The ECS memory is insufficient. Solution Method
Why Does an Authentication Failure Occurs After I Attempt to Remotely Log In to a Windows ECS? Symptom When a local computer running Windows attempts to access a Windows ECS using RDP (for example, MSTSC), an identity authentication failure occurs and the desired function is not supported
Why an Entry Is Automatically Added to /etc/hosts After a Linux ECS Is Restarted? Symptom After an ECS is restarted, an entry that maps its host name to 127.0.0.1 is automatically added to /etc/hosts. As a result, the host name fails to be resolved. Root Cause /etc/cloud/cloud.cfg
Why Can't I Obtain the Password for Logging In to My Windows ECS Authenticated Using a Key Pair? Symptom A private key cannot be used to obtain the password for logging in to a Windows ECS that is authenticated using a key pair. Possible Causes The password fails to inject using Cloudbase-Init
How Can I Use WinSCP to Transfer Files from a Local Windows Computer to a Linux ECS? Scenarios WinSCP can be used to securely copy-paste files across local and remote computers. Compared with FTP, WinSCP allows you to use a username and password to access the destination server without
