Contents
What is root CA and intermediate CA?
A Root CA is a Certificate Authority that owns one or more trusted roots. Intermediate CAs or Sub CAs are Certificate Authorities that issue off an intermediate root. They do not have roots in the browser’s trust stores, instead their intermediate roots chain back to a trusted third-party root.
What is the Trusted Root Certification Authorities store?
The signing certificate that was used to create the signature was issued by a certification authority (CA). Therefore, the Trusted Root Certification Authorities certificate store contains the root certificates of all CAs that Windows trusts.
What is CA bundle file?
CA bundle is a file that contains root and intermediate certificates. The end-entity certificate along with a CA bundle constitutes the certificate chain. In case you have received the intermediate and root certificates as separate files, you should combine them into a single one to have a complete CA_bundle.
What is CA bundle used for?
CA Bundle is the file that contains root and intermediate certificates. Together with your server certificate (issued specifically for your domain), these files complete the SSL chain of trust. The chain is required to improve the compatibility of the certificates with web browsers, email clients, and mobile devices.
What happens if root CA certificate is not trusted?
For example: Result A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider. Untrusted root CA certificate problems might occur if the root CA certificate is distributed using the following Group Policy (GP):
How to root CA certificate stored in different physical certificates?
When storing root CA certificate in a different, physical, root CA certificate store, the problem should be resolved. Method 1: Use the command-line tool certutil and root the CA certificate stored in the file rootca.cer: This command can be executed only by local admins, and it will affect only single machine.
What happens when root CA certificate distributed using GPO?
When distributing the root CA certificate using GPO, the contents of HKLM\\SOFTWARE\\Policies\\Microsoft\\SystemCertificates\\Root\\Certificates will be deleted and written again. This deletion is by design, as it’s how the GP applies registry changes.
How to install a chained certificate signed by a public CA?
When configuring a Palo Alto Networks Next Generation Firewall, a certificate signed by a trusted public Certificate Authority (CA) may be desired on: Many public CAs use chained certificates, that is, certificates not signed by the Root CA itself, but one or more Intermediate CAs.