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
What Should I Do If an ECS Cannot Connect to an RDS for SQL Server Instance Through a Private Network? Perform the following steps to identify the problem: Check whether the ECS and RDS for SQL Server instance are located in the same VPC. If they are in the same VPC, go to 2. If they
Why Does the System Display a Message Indicating Invalid Credentials When I Attempt to Access a Windows ECS? Symptom When you use a local PC running Windows to access a Windows ECS using RDP (for example, MSTSC), the system displays a message indicating that the credentials are invalid
How Can I Use FTP to Transfer Files from a Local Windows Computer to a Windows or Linux ECS? Scenarios You want to use FTP to transfer files from a local Windows computer to an ECS. Prerequisites An EIP has been bound to the ECS and access to TCP port 21 is allowed in the inbound
What Should I Do If My ECS Fails to Access a Server on the Public Network Through a Public NAT Gateway? TCP connection may fail when an ECS accesses a server on the public network through an SNAT rule. Perform the following steps to locate the fault cause: Run the following command
How Do I Enable My ECS to Boot From the Second Kernel If It Fails to Boot from the First Kernel? Scenarios The operations described in this section apply to ECSs running CentOS or EulerOS with at least two kernels installed. CentOS 6 Log in to the management console, restart the ECS
What Should I Do If I Can't Connect to My ECS (Microsoft SQL Server) Instance? Error message: The TCP/IP connection to the host 100.xxx.xx.xx, port xxx has failed. Error cause: The port number of the self-built database is incorrect, or the network is disconnected. Solution: Ensure
How Do I Configure an ECS, a BMS, or an Image File Before I Use It to Create an Image? ECS or Image File Configurations Table 1 ECS configurations OS Configuration Windows Configuring DHCP Enabling Remote Desktop Connection Installing the One-Click Password Reset Plug-In (Optional
What Should I Do If I Cannot Use MSTSC to Log In to an ECS Running the Windows Server 2012 OS? Symptom An ECS running the Windows Server 2012 OS has password authentication configured during ECS creation. When a user used the initial password and MSTSC to log in to the ECS, the login
How Do I Obtain My Disk Device Name in the ECS OS Using the Device Identifier Provided on the Console? Scenarios You find that the device name displayed in the ECS OS is different from that displayed on the management console and you cannot determine which disk name is correct. This
Why Does the System Display Invalid Certificate or Associated Chain When I Log In to a Windows ECS from a Mac? Symptom When you use Microsoft Remote Desktop for Mac to remotely access a Windows ECS, the system displays invalid certificate or associated chain. Figure 1 Microsoft Remote
Why Can't I Find My Newly Purchased Data Disk After I Log In to My Windows ECS? Symptom After logging in to my Windows ECS, I cannot find the attached data disk. Formatting a disk will cause data loss. Before formatting a disk, create a backup for it. Possible Causes A newly added
The highest level of brand protection for your growing business and the industry standard for e-commerce websites. Extended Validation (EV) provides maximum credibility and security. Brands that are serious about protecting customer information insist on using EV on checkout pages
Why Can't I Access an ECS Running CentOS 7 Using SSH After I Changed the Default SSH Port? Symptom After the default port of the SSH service is changed, and inbound traffic on the new port is allowed by the ECS security group, you cloud not access the ECS using SSH. Constraints The
Why Do I Get the Error "No space left on device" When I Create a File on a Linux ECS? Symptom When you create a file on a Linux ECS, the error message "No space left on device" is displayed. Possible Causes The block usage on the disk reaches 100%. The inode usage on the disk reaches
What Do I Do If I Enabled EPS But Now I Cannot Find Private Images in My Enterprise Project? Scenarios If you cannot find the private images on the Enterprise Project Management Service page, add the private images to their associated enterprise project. Procedure Log in to the management
What Do I Do If an Exception Occurs When I Start an ECS Created from an Image Using UEFI Boot? Symptom An ECS created from a private image booting to UEFI cannot start. Possible Causes The image is configured for UEFI boot, but the uefi attribute was not added to the image. Solution
Will My Access Be Restricted by Bandwidth When I Connect to My RDS for PostgreSQL Instance from an ECS over a Private Network? No. Parent Topic: Database Connection
Will My Access Be Restricted by Bandwidth When I Connect to My RDS for MariaDB Instance from an ECS over a Private Network? No. Parent topic: Database Connection
Why Are Memory Usage, Disk Usage, Inband Incoming Rate, and Inband Outgoing Rate Not Displayed for an ECS? Linux ECSs do not support the four metrics, but Windows ECSscan. To learn more about basic monitoring metrics supported by different OSs, see Basic ECS Metrics. To monitor the
What Should I Do If Error Code 1006 or 1000 Is Displayed When I Log In to an ECS Through the Management Console? Symptom When I attempted to remotely log in to an ECS using VNC, the system displayed error code 1006, as shown in Figure 1. Figure 1 Error message displayed in a VNC-based
