Novell Certificate Server
Novell Directory Services 8.7.3.x
When creating a User Certificate (User Object, Security/Certificates tab), a -1,460 error would occur during the creation process. You also could not export the newly created certificate.
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The Tree Keys are inconsistent on the servers in the tree.
Use KB 3092072 - Verifying and Resolving Tree Key Inconsistencies to correct the issue.