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Remove a Security Groups from an Instance

<p>This article describes how to remove a security group from an instance.</p> <p><strong>Prerequisites</strong></p> <p>The security group is successfully assigned to an instance. For more information, see Assign a Security Groups to an Instance.</p> <p><strong>Usage Guidelines</strong></p> <p>A security group cannot be restored once removed. Remove a security group with caution.</p> <p><strong>Procedures</strong></p> <p>1.&nbsp; Log in to the<a href="#https://pinganyun.com/console/dedicatedEcs/host" target="_blank"> Dedicated Host Console</a>.</p> <p>2.&nbsp; In the left navigation pane, click <strong>Security Group</strong> to enter the <strong>Security Group</strong> page.</p> <p>3.&nbsp; Click the name of the target security group.</p> <p>4.&nbsp; On the<strong> </strong><strong>ECS </strong><strong>Instance</strong> tab, click <strong>Delete</strong> in the <strong>O</strong><strong>peration</strong> column of the target instance.</p> <p>5.&nbsp; In the dialog box that opens, click <strong>Confirm</strong>.</p> <p><strong>Result</strong></p> <p>You will see<strong> </strong>an <strong>Operation </strong><strong>s</strong><strong>ucceeded</strong> message at the bottom of the <strong>Security Group</strong> page, and information of the previously associated instance is removed from the <strong>Instance</strong> tab.</p>
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