检测到您已登录华为云国际站账号，为了您更好的体验，建议您访问国际站服务网站 https://www.huaweicloud.com/intl/zh-cn
不再显示此消息
检测到您已登录华为云国际站账号，为了您更好的体验，建议您访问国际站服务网站 https://www.huaweicloud.com/intl/zh-cn
不再显示此消息
Why Can't HCE Obtain an IPv6 Address After IPv6 Is Enabled for an ECS? Background After IPv6 is enabled for ECS NICs on the ECS console, HCE cannot obtain an IPv6 address because DHCP is not correctly configured for the OS. Symptoms IPv6 has been enabled on the ECS console, and an
What Are the Impacts If I Do Not Pre-configure an ECS Used to Create a Private Image? Before using an ECS or external image file to create a private image, you need to pre-configure the ECS or the source VM of the image file. If you do not perform the pre-configuration, there are
How Do I Delete Redundant Network Connections from a Windows ECS? Method 1 Press Win+R. In the displayed dialog box, enter regedit and press Enter to open the registry editor. Modifying a registry may cause a system startup failure. So, back up the registry before modifying it. Open
Why Did I Fail to Install Guest OS Drivers on a Windows ECS? Possible causes: Your image file was exported from a VMware VM, and VMware Tools was not uninstalled or not completely uninstalled. You have downloaded Guest OS drivers of an incorrect version for your Windows ECS. The disk
How Can I Map the Private IP Address of an ECS to a Domain Name? You can configure PTR records to allow end users to query domain names based on IP addresses. To map the private IP address of an ECS to a domain name, you must create a private zone and add a PTR record to the zone.
How Do I Configure Policy-Based Routes for an ECS with Multiple Network Interfaces? Background If a cloud server has multiple network interfaces, the primary network interface can communicate with external networks by default, but the extended network interfaces cannot. To enable
Why Are There Intermittent Interruptions When a Local Host Accesses a Website Built on an ECS? Symptom After you build a website on an ECS, some users occasionally are unable to access the website through the local network. Troubleshooting Check the local network of the user. If the
Why Can't My ECS Access the Internet Even After an EIP Is Bound? Symptom An ECS with an EIP bound cannot access the Internet. Troubleshooting Checking Whether EIPs Are Blocked or Frozen Check whether the EIP is blocked. For details, see How Do I Unblock an EIP? Check whether the EIP
Why Is My ECS Unable to Communicate at a Layer 2 or Layer 3 Network? Symptom An ECS cannot ping the gateway of the subnet where the ECS resides. Troubleshooting Locate the fault based on the following procedure. Figure 1 Troubleshooting procedure Checking Whether the ECS Has Obtained
[Notice] Adjustment on the EOS Date of Huawei Cloud RDS for MySQL 5.7 Release Date This notice is released on March 27, 2025. EOS Date Adjustment Huawei Cloud adjusted the end-of-service (EOS) date of RDS for MySQL 5.7 to October 31, 2028. Scope All regions Impact You have more time
Manually Configuring IPv4 and IPv6 Policy-based Routes for a Windows ECS with Multiple Network Interfaces Scenarios This section describes how to configure policy-based routes for a Windows Server 2012 64-bit ECS with two network interfaces. IPv4: If IPv4 communication between multiple
Accessing Other Cloud Services from ECS Using Temporary Access Keys of an Agency You can create an agency to delegate access to services offered by Huawei Cloud. This example shows how to create an agency and delegate permissions to Huawei Cloud Elastic Cloud Server (ECS), a scalable
Querying the Target Flavors to Which an ECS Flavor Can Be Changed (Discarded) Function An ECS flavor cannot be changed to certain flavors. This API is used to query the target flavors to which a specified ECS flavor can be changed. This API has been discarded. Use the API described
Migrating the System and Data Partitions of a Windows Server to Separate Disks of a Huawei Cloud ECS Overview A Huawei Cloud ECS consists of one system disk and several data disks, as shown in Figure 1. An on-premises server may have the system partition and other partitions located
How Can I Back Up an RDS for SQL Server Database to an ECS? You can back up data to an ECS the same way you export SQL statements. The ECS service does not have restrictions on the types of data to be backed up as long as the data complies with local laws and regulations. You can
How Do I Display the OS Name of a Target Server on the ECS Console? Symptom On the ECS console, you found that the OS name of your target server was different from the actual OS name of the server. This is a normal event resulting from a limitation of the ECS console. Possible Causes
Real-Time Synchronization from MySQL to CSS/ES Incremental Synchronization Error: write table *** failed: null Parent topic: Failure Cases
Why Cannot the Installation Script Be Downloaded When I Try to Install UniAgent on an ECS? Symptom During UniAgent installation on an ECS, the installation script cannot be downloaded. Message "Cloud not resolve host: aom-uniagent-xxxxxxxxxxxxxxxxxxxxxxxxxxxx" is displayed. Figure
Why Are Garbled Characters Displayed When I Log In to My ECS Using VNC? Symptom After I attempt to log in to my Linux ECS using VNC, garbled characters are displayed, as shown in Figure 1. Figure 1 Garbled characters on the VNC-based login page Possible Causes The cat command was
Why Does an Internal Error Occur When I Log In to My Windows ECS? Symptom When you attempt to log in to your Windows ECS using MSTSC, the system displays an error message indicating an internal error. Solution On the local server, run cmd as an administrator. Run the netsh winsock
