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KB-3138: Machine certificates are not re-issued to Mac OS X after deleting from the Keychain

Mac & PC Management Service ,  

7 May,17 at 11:39 PM

Applies to: Centrify DirectControl for Mac OS X

Auto-enrollment of computer certificates fail after previous certificates were deleted from Keychain Access


Certificates should be revoked by the Certification Authority, and not deleted directly from a computer.

If a user manually deletes the certificate from the Keychain, the local cache store is not cleared. 
This creates an issue when attempting to push new certificates as the current files stored in the local cache are considered valid and not expired. 
During the next group policy update, the local cache is referenced instead of issuing a new certificate


It may be necessary to clear the local certificate cache in order to receive a new certificate. 

To clear cached computer certificates, login as Local Admin, open the Terminal and run the command:
  • sudo rm -f /var/centrify/net/certs/auto_*

The certificates can then be re-imported by running:
  • adgpupdate


This is the expected behavior of the Centrify Mac agent

For additional information about using workstation and user certificates with Centrify for Mac, see:

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