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Why Is an Instance that Was Removed from an AS Group and Deleted Still Displayed in the ECS List? If an automatically added instance is protected, it is removed out of the AS group but not deleted, so that it can still be used by other services. An instance that is being used by other
Can I Use an ECS Instance ID to Learn What AS Group the Instance Is In? No. To obtain details about an AS group and the instances in the group, perform the following operations: Log in to the management console. Choose Compute > Auto Scaling > Instance Scaling. On the AS Groups tab
How Do I Reset the Password for User root in Single-User Mode on a Linux ECS? Scenarios This section describes how to reset the password of user root in single-user mode on a Linux ECS. Back up data before resetting the password of user root in single-user mode. Select a method based
How Do I Configure Multi-User Logins for an ECS Running Windows Server 2012? Scenarios This section uses an ECS running Windows Server 2012 as an example to describe how to enable concurrent logins by multiple users. An ECS running Windows Server 2012, by default, allows concurrent
How Do I Configure Multiple IP Addresses for an ECS with Multiple NICs Attached? Symptom If an ECS has multiple NICs, perform the following operations to configure policy-based routing for the ECS to enable the network communication of secondary NICs. Possible Causes No routing rules
How Do I Configure File Sharing and Network Disk Mapping for a Windows ECS? Scenarios This section describes how to share a folder between Windows ECSs over an intranet. Constraints Some carriers may block ports 139 and 445. As a result, you cannot access the shared folders over the
Can I Use an ECS Instance ID to Learn What AS Group the Instance Is In? No. To obtain details about an AS group and the instances in the group, perform the following operations: Log in to the management console. Choose Compute > Auto Scaling > Instance Scaling. On the AS Groups tab
How Do I Make a System Disk Image Support Fast ECS Creation? Scenarios Fast Create greatly reduces the time required to create ECSs from a system disk image. Currently, this feature is supported by all newly created system disk images by default, but some existing system disk images
How Do I Create a Full-ECS Image Using an ECS That Has a Spanned Volume? You are not advised to use a Windows ECS that has a spanned volume to create a full-ECS image. If you create such an image and then use it to create new ECSs, data may be lost. If an ECS has a spanned volume,
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
What Are the Impacts of a VPN on an On-premises Network? What Are the Changes to the Route for Accessing an ECS? When you configure a VPN, perform the following operations on the on-premises gateway: Configure IKE and IPsec policies. Specify interesting traffic (ACL rules). Check
What Are the Impacts of a VPN on an On-premises Network? What Are the Changes to the Route for Accessing an ECS? When you configure a VPN, perform the following operations on the on-premises gateway: Configure IKE and IPsec policies. Specify the to-be-protected traffic (ACL rules)
Why Does an ECS Have EIP Access Information After I Enable a VPN? This occurs because the ECS has an EIP bound before the VPN is used. That is, you can access the ECS through the VPN or the EIP. After the VPN is established, traffic from servers meeting ACL rules can enter the tunnel
Do I Need to Add a Route for an ECS with Multiple NICs to Reach the On-premises Network? If a primary NIC is used to establish a VPN with the on-premises network, no route needs to be added. If a non-primary NIC is used to establish a VPN with the on-premises network, add a route
What Are the Impacts of a VPN on an On-premises Network? What Are the Changes to the Route for Accessing an ECS? When configuring a VPN, you need to perform the following operations on the gateway in your on-premises data center: Configure IKE and IPsec policies. Set the connection
What Are the Impacts of a VPN on an On-premises Network? What Are the Changes to the Route for Accessing an ECS? When configuring a VPN, you need to perform the following operations on the gateway in your on-premises data center: Configure IKE and IPsec policies. Configure a VPN connection
Why Does an ECS Have EIP Access Information After I Enable a VPN? A possible cause is that the ECS has an EIP bound before the VPN is used. In this scenario, you can access the ECS through both the VPN and the EIP. To allow only hosts on the VPN to access the ECS, unbind the EIP from
Do I Need to Add a Route for an ECS with Multiple NICs to Reach the On-premises Network? If the primary network interface card (NIC) is used to establish a VPN connection with the on-premises network, no route needs to be added. If a non-primary NIC is used to establish a VPN connection
Why Does My ECS Fail to Communicate with Other After It Has Firewall Installed? Symptom An ECS has a single network interface and failed to communicate with others after the ECS has a firewall installed. An example scenario is as follows: In a VPC, there are three ECSs. Services are
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
