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CA Communication Error when adding an MS CA

Symptom: 

When adding a Microsoft CA, you may get the error "Communication with the CA has failed, please check the settings before trying again. System error: CCertAdminGetCAProperty: The RPC Server is unavailable". This will be seen when trying to load the templates from the CA

Cause: 

This can be caused because the identiy that the Venafi COM+ component uses does not have permissions to read, issue and manage certificates. This account should be a domain account, not a local account on the VED server.

Solution: 

  1. Verify that the account used to access the CA is assigned Read and 'Issue and Manage Certificates' permissions on the CA.

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Verify that the account listed in the 'Identity' tab of the Venafi COM+ component is the same account setup in step 1. Confirm the password is correct.

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Verify that the Director and Log services are running as this user.

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Also see https://support.venafi.com/entries/20877253-CA-Communication-Error-when-adding-an-MS-CA

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