From 22:00:00 on March 03, 2022, after the TrustAsia root certificate was changed from the Digicert root certificate to the Sectigo root certificate, some students encountered “one or more in the certificate chain” when deploying the certificate on Windows Server IIS. An intermediate certificate is missing” prompt, the solution to the problem is briefly recorded below.

Download the intermediate certificate of the corresponding algorithm

Note: Please confirm the certificate encryption algorithm before downloading.

View Certificate Encryption Algorithms

Login Tencent Cloud SSL Certificate Consoleto view, usually RSA.
加密算法

Download

Click the portal below to download directly:
RSA：Portal
ECC：Portal

PS：Please download the certificate to the server or copy it to the server after downloading.

Install Intermediate Certificates

Double-click on the server to open the intermediate certificate and click Install Certificate

打开证书

Select the local computer for the storage location

安装证书

Select storage location

Click “Place all certificates in the following store” and click Browse to select “Intermediate Certification Authorities” and click Next
选择存储位置

Finish importing

After confirming the information, complete Finish:
完成导入
Show that the import was successful:
导入成功