How Do I Fix an Incomplete SSL Certificate Chain?
If the certificate provided by the certificate authority is not found in the built-in trust store on your platform and the certificate chain does not have a certificate authority, the certificate is incomplete. If you use the incomplete certificate to access the website corresponding to the protected domain name, the access will fail.
You can manually create a complete certificate chain to solve this problem. The latest Google Chrome version supports automatic verification of the trust chain. The following describes how to manually create a complete certificate chain (using a HUAWEI CLOUD certificate as an example):
- Viewing the certificate. Click the padlock in the address bar to view the certificate status (see Figure 1).
- Check the certificate chain. Click Certificate. Select the Certificate Path tab and then click the certificate name to view the certificate status.
Figure 2 Viewing the certificate chain
- Save the certificates to the local PC one by one.
- Select the certificate name and click the Details tab.
Figure 3 Details
- Click Copy to File, and then click Next as prompted.
- Select Base-64 encoded X.509 (.CER) and click Next. Figure 4 shows an example.
- Select the certificate name and click the Details tab.
- Rebuild the certificate. After all certificates are exported to the local PC, open the certificate file in Notepad and rebuild the certificate according to the sequence shown in Figure 5.
- Upload the certificate again.
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