fix broken links

Author: PhilKang0704

articles/cdn/cdn-custom-ssl.md

@@ -91,7 +91,7 @@ To enable HTTPS on a custom domain, follow these steps:
 
 # [Option 2: Enable HTTPS with your own certificate](#tab/option-2-enable-https-with-your-own-certificate)
 
-You can use your own certificate to enable the HTTPS feature. This process is done through an integration with Azure Key Vault, which allows you to store your certificates securely. Azure CDN uses this secure mechanism to get your certificate and it requires a few extra steps. When you create your TLS/SSL certificate, you must create a complete certificate chain with an allowed certificate authority (CA) that is part of the [Microsoft Trusted CA List](https://ccadb-public.secure.force.com/microsoft/IncludedCACertificateReportForMSFT). If you use a nonallowed CA, your request is rejected. If a certificate without complete chain is presented, requests, which involve that certificate aren't guaranteed to work as expected.
+You can use your own certificate to enable the HTTPS feature. This process is done through an integration with Azure Key Vault, which allows you to store your certificates securely. Azure CDN uses this secure mechanism to get your certificate and it requires a few extra steps. When you create your TLS/SSL certificate, you must create a complete certificate chain with an allowed certificate authority (CA) that is part of the [Microsoft Trusted CA List](/security/trusted-root/participants-list). If you use a nonallowed CA, your request is rejected. If a certificate without complete chain is presented, requests, which involve that certificate aren't guaranteed to work as expected.
 
 ### Prepare your Azure Key Vault account and certificate
 
@@ -101,7 +101,7 @@ You can use your own certificate to enable the HTTPS feature. This process is do
 
 > [!NOTE]
 > - Azure Content Delivery Network only supports PFX certificates.
-> - The certificate must have a complete certificate chain with leaf and intermediate certificates, and root CA must be part of the [Microsoft Trusted CA List](https://ccadb-public.secure.force.com/microsoft/IncludedCACertificateReportForMSFT).
+> - The certificate must have a complete certificate chain with leaf and intermediate certificates, and root CA must be part of the [Microsoft Trusted CA List](/security/trusted-root/participants-list).
 
 ### Set up managed identity for Azure CDN
 

articles/frontdoor/front-door-custom-domain-https.md

@@ -90,7 +90,7 @@ To enable HTTPS on a custom domain:
 
 ### Option 2: Use your own certificate
 
-You can use your own certificate through an integration with Azure Key Vault. Ensure your certificate is from a [Microsoft Trusted CA List](https://ccadb-public.secure.force.com/microsoft/IncludedCACertificateReportForMSFT) and has a complete certificate chain.
+You can use your own certificate through an integration with Azure Key Vault. Ensure your certificate is from a [Microsoft Trusted CA List](/security/trusted-root/participants-list) and has a complete certificate chain.
 
 #### Prepare your key vault and certificate
 
@@ -100,7 +100,7 @@ You can use your own certificate through an integration with Azure Key Vault. En
 - Upload your certificate as a **certificate** object, not a **secret**.
 
 > [!NOTE]
-> Front Door doesn't support certificates with elliptic curve (EC) cryptography algorithms. The certificate must have a complete certificate chain with leaf and intermediate certificates, and root CA must be part of the [Microsoft Trusted CA list](https://ccadb-public.secure.force.com/microsoft/IncludedCACertificateReportForMSFT).
+> Front Door doesn't support certificates with elliptic curve (EC) cryptography algorithms. The certificate must have a complete certificate chain with leaf and intermediate certificates, and root CA must be part of the [Microsoft Trusted CA list](/security/trusted-root/participants-list).
 
 #### Register Azure Front Door
 

articles/frontdoor/standard-premium/how-to-configure-https-custom-domain.md

@@ -78,7 +78,7 @@ There are currently two ways to authenticate Azure Front Door to access your Key
 
 > [!WARNING]
 > - Azure Front Door currently only supports Key Vault in the same subscription. Selecting Key Vault under a different subscription results in a failure.
-> - Azure Front Door doesn't support certificates with elliptic curve cryptography algorithms. Also, your certificate must have a complete certificate chain with leaf and intermediate certificates. The root CA also must be part of the [Microsoft Trusted CA List](https://ccadb-public.secure.force.com/microsoft/IncludedCACertificateReportForMSFT).
+> - Azure Front Door doesn't support certificates with elliptic curve cryptography algorithms. Also, your certificate must have a complete certificate chain with leaf and intermediate certificates. The root CA also must be part of the [Microsoft Trusted CA List](/security/trusted-root/participants-list).
 
 #### Register Azure Front Door
 

articles/peering-service/location-partners.md

@@ -44,7 +44,7 @@ The following table provides information on the Peering Service connectivity par
 | [MainOne](https://mainone.net/products-and-services/) | Africa |
 | [NAP Africa](https://www.napafrica.net/technical/microsoft-azure-peering-service/) | Africa |
 | [NTT Communications](https://www.ntt.com/en/services/network/software-defined-network.html) | Japan, Indonesia |
-| [PCCW](https://www.pccwglobal.com/en/enterprise/products/network/ep-global-internet-access) | Asia |
+| [PCCW](https://www.pccwglobal.com/) | Asia |
 | [PIT Chile](https://www.pitchile.cl/wp/maps/) |LATAM|
 | [Sejong Telecom](https://www.sejongtelecom.net/) | Asia |
 | [Singtel](https://www.singtel.com/business/campaign/singnet-cloud-connect-microsoft-direct) | Asia |