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How Do I Handle the Failure in Logging In to ECS After Unbinding the Key Pair? Symptom If the login mode is set to Key Pair when purchasing an ECS, after I unbind the initial password, I do not have the password or key pair to log in to the ECS. How can I solve this problem? When
How Do I Migrate an ECS from One Region to Another Using SMS? The figure below illustrates how to migrate ECSs from one region to another. Figure 1 Migration process Table 1 Migration procedure Step Description Make preparations. Before using SMS to migrate servers, you need to prepare
How Do I Fix Error "SMS.0601 ECS creation failed?" Symptom During the migration, the error "SMS. 0601 ECS creation failed. Cause: xxx" was reported. Possible Causes There are many causes for target server creation failures. The account balance is insufficient. The quota is insufficient
Migrating Data from a Self-Managed SQL Server Database on an ECS to an RDS for SQL Server DB Instance Scenarios You have created a Microsoft SQL Server database on an ECS. The self-managed SQL Server database version on the ECS cannot be later than the version of the RDS for SQL Server
What Should I Do If the ECS Fails to Be Provisioned After I Have Paid the Order? After you have paid the order, if an SMS message is sent to your mobile phone indicating that the ECS fails to be provisioned, contact customer service of HUAWEI CLOUD at 4000-955-988. The customer service
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
What Should I Do If Starting an ECS Remains in "Waiting for cloudResetPwdAgent" State? Symptom During ECS startup, it remains in "Waiting for cloudResetPwdAgent" state for 20 to 30 seconds. Figure 1 Starting cloudResetPwdAgent Possible Causes This issue is caused by the intranet DNS
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 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 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 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
How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS? This section uses an ECS running Windows Server 2019 64-bit as an example to describe how to obtain the mapping between disk partitions and disk devices. For KVM or QingTian instances, see How
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
How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Linux ECS? For a Xen ECS running Linux, its disk partitions correspond to disk devices. This section uses a Linux ECS running Red Hat Enterprise Linux 7 as an example to describe how to obtain the mapping between
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
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
Why Does It Takes 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
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
