Importing an external root CA
Instead of Creating a root CA in PKIaaS, you can import an existing root CA.
To import an external root CA:
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Follow the steps described in Accessing your partitions to log into the PKIaaS interface as a user with any of these roles:
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Click Certificate Authorities in the sidebar.

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Click ADD in the Certificate Authorities tab.
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Select External Root Authority in the CA Type list.

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Complete the following values.
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Click Create.
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Check the details of the created CA.
CA Identifier
Write a unique identifier for the new CA in your PKI hierarchy. This identifier:
- Must be 2-18 characters long
- Can only include lowercase letters, numbers, hyphens (’-’), and underscores (’_')
ℹ After deleting a CA, wait 24 hours before creating a CA with the same identifier.
Friendly Name
Write a descriptive name for the CA in your PKIaaS partition.
Root CA Certificate
Click Choose File and select the file containing the Certificate Signing Certificate of the external CA.