The PKI servers are not active after a merge operation. They must be restarted using the npki -l command.
Merge operations might not be successful on different versions of the product. If your server is running an older version of NDS or eDirectory, update to the latest version of eDirectory, then continue the merge operations.
The merging of two trees will not succeed if containers with the same name subordinate to a tree are present in both the source and target trees. Rename one of the containers, then continue with the merge operation.
During the graft operation, error message -611 Illegal Containment might appear. Modify the schema by running ndsrepair. Then run ndsrepair -S and select Optional Schema Enhancements.