Operation Scenario
You can remove CVM instances from a security group based on your business needs.
Prerequisites
The CVM instance to be removed has joined two or more security groups.
Steps
2. On the security group management page, choose Region, and locate the row of the security group from which you want to remove instances.
3. In the operation column, click Manage instances to enter the Associate with Instance page.
4. On the Associate with Instance page, select the instance to be removed and click Remove from security group.
5. In the window that appears, click OK.