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Comodo Root Certificate

Root Certificate is a public key certificate that identifies the Certificate authority of the encrypted website. Root certificates may either be signed or unsigned.

It is important to install Comodo Root Certificate into the server to enable the SSL Certificates and activate the HTTPS-encrypted website.

In this article we have added option to download Comodo’s Root Certificate for Extended Validation (EV, Multi-domain), EnterpriseSSL/InstantSSL/PremiumSSL (Unified Communications (UCC) & IntranetSSL), ComodoSSL Wildcard, ComodoSSL UCC, EssentialSSL, PositiveSSL, Code Signing Certificate. This Root Certificate download option is available for both SHA-2 and SHA-1 algorithm.

Download Comodo Root Certificate

Comodo Root Certificate  SHA-2 SHA-1 (Legacy)
Product Certification Path (Hierarchy) Certification Path (Hierarchy)
EV

[inc. EV SGC & Multi-Domain]

  • UserTrust / AddTrust External Root
  • COMODO RSA Certification Authority
  • COMODO RSA Extended Validation Secure Server CA
  • End-Entity/Domain Certificate

Download Files

  • UserTrust / AddTrust External Root
  • COMODO Certification Authority
  • COMODO Extended Validation Secure Server CA
  • End-Entity/Domain Certificate

Download Files

  EnterpriseSSL/InstantSSL/

PremiumSSL

[inc. Unified Communications (UCC)  & IntranetSSL]

  • UserTrust / AddTrust External Root
  • COMODO RSA Certification Authority
  • COMODO RSA Organization Validation Secure Server CA
  • End-Entity/Domain Certificate

Download Files

  • UserTrust / AddTrust External Root
  • COMODO High-Assurance Secure Server CA
  • End-Entity/Domain Certificate

Download Files

  ComodoSSL

[inc. ComodoSSL Wildcard & ComodoSSL UCC ]

  • UserTrust / AddTrust External Root
  • COMODO RSA Certification Authority
  • COMODO RSA Domain Validation Secure Server CA
  • End-Entity/Domain Certificate

Download Files

  • UserTrust / AddTrust External Root
  • COMODO SSL CA
  • End-Entity/Domain Certificate

Download Files

  EssentialSSL

[inc. EssentialSSL Wildcard / FreeSSL ]

  • UserTrust / AddTrust External Root
  • COMODO RSA Certification Authority
  • COMODO RSA Domain Validation Secure Server CA
  • End-Entity/Domain Certificate

Download Files

  • UserTrust / AddTrust External Root
  • UTN – DATACorp SGC
  • COMODO Certification Authority
  • EssentialSSL CA
  • End-Entity/Domain Certificate

Download Files

  PositiveSSL

[inc. PositiveSSL Wildcard & Multi-Domain]

  • UserTrust / AddTrust External Root
  • COMODO RSA Certification Authority
  • COMODO RSA Domain Validation Secure Server CA
  • End-Entity/Domain Certificate

Download Files

  • UserTrust / AddTrust External Root
  • PositiveSSL CA 2
  • End-Entity/Domain Certificate

Download Files

  Code Signing
  • UserTrust / AddTrust External Root
  • COMODO RSA Certification Authority
  • COMODO RSA Code Signing CA
  • Code Signing Certificate

Download Files

  • UserTrust / AddTrust External Root
  • UTN-USERFirst-Object
  • COMODO Code Signing CA 2
  • Code Signing Certificate

Download Files

Additional Notes:

  • IIS 4.x and up can use a .cer file.
    This file contains: Root, Intermediates, and domain certificate; all rolled into one file (PKCS#7).
  • IIS 6.x and up will accept a .crt (end-entity/domain certificate) file, but Root and Intermediate(s) will need to be installed manually.
  • Apache makes use of a SSLCertificateChainFile in which we give it a file extension of .ca-bundle file.
    This file contains the Intermediate(s) and sometimes Root certificates in a single file.
  • Some Comodo Partners have their own Comodo certificate hierarchies. If you are unsure of your certificate hierarchy, please contact support by submitting a support ticket
  • For Comodo InstantSSL you can download Comodo Intermediate and Root Certificate from here.

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