所有 DigiCert 多域和通配符证书都随附不受限制的服务器许可证，允许您将一个证书用于多个不同服务器。为了增强安全性并简化在多个服务器上安装证书的步骤，请生成新的 CSR 并为每个服务器创建副本证书。
副本证书中的详细信息与原始证书完全相同。副本证书不需要 DigiCert 吊销之前的证书副本。
要生成副本证书，请执行以下步骤。
要生成 SSL/TLS 副本证书，需生成新的 CSR。有关如何创建 CSR 的信息，请参阅创建 CSR（证书签名请求）页面。
登录 CertCentral。
填写申请副本证书表并根据需要修改证书。
在侧栏菜单中，单击证书 > 订单。在订单页面上，单击需要复制的证书的订单编号。在证书的订单编号详细信息页面的证书操作下拉列表中，单击申请副本证书。
经过批准后，我们会颁发副本证书并通过电子邮件发送给证书联系人。您也可以从帐户下载副本证书。请参阅从帐户下载补发的证书。
安装并配置新证书。有关如何安装证书的更多信息，请参阅我们的 SSL 证书安装说明和教程页面。
相关主题：
DigiCert is the world's leading provider of scalable TLS/SSL, IoT and PKI solutions for identity and encryption. The most innovative companies, including 89% of the Fortune 500 and 97 of the 100 top global banks, choose DigiCert for its expertise in identity and encryption for web servers and Internet of Things devices. DigiCert supports TLS and other digital certificates for PKI deployments at any scale through its certificate lifecycle management solution, CertCentral®. The company is recognized for its enterprise-grade certificate management platform, fast and knowledgeable customer support, and market-leading security solutions. For the latest DigiCert news and updates, visit digicert.com or follow @digicert.
©2020 DigiCert, Inc. All rights reserved. DigiCert, its logo and CertCentral are registered trademarks of DigiCert, Inc. Norton and the Checkmark Logo are trademarks of NortonLifeLock Inc. used under license. Other names may be trademarks of their respective owners.