The following are organization attributes.
| Attribute name | Attribute type | Scope | Definition |
| Reps-From | Naming context replication attribute | Different on each naming context | Lists the servers from whom the directory will accept changes for the defined naming context. |
| Reps-To | Naming context replication attribute | Different on each naming context | Lists the servers who the directory will notify of changes and servers to whom the directory will send changes on Request for the defined naming context. |
| Reps-To-Ext | Naming context replication attribute | Different on each naming context | Lists the servers to whom changes will be sent on request for the defined naming context. |
| Period-Rep-Sync-Times | Naming context replication attribute | Different on each naming context | When the directory service will make a request for changes from servers on the Reps-From attribute list. |
| Replicator notify pause after modify (secs) |
Registry entry under HKEYLM\System\ CurrentControlSet\ Services\MSExchangeDS\Parameters |
Same for each naming context on a server | How long the directory service will wait to notify other server on the Reps-To list after a change has been made on a particular naming context. |
| Obj-Dist-Name | Object replication attribute | Unique per object, static throughout Organization | Object Distinguished Name (dn). X.500-type address used to uniquely identify an object throughout the organization. |
| Object-Version | Object replication attribute | Same across Organization, minus replication latency | Version of the object in the organization. Number of changes the object has had, including creation. |
| DSA-Signature | Object replication attribute | Same across Organization, minus replication latency | Invocation-ID of the last directory to modify the object. |
| USN-Changed | Object replication attribute | Unique to directory | USN value assigned by the local directory for the latest change, including creation. |
| USN-Created | Object replication attribute | Unique to directory | USN-Changed value assigned at object creation. |
| USN-Source | Object replication attribute | Unique to directory | Value of the USN-Changed attribute of the object from the remote directory that replicated the change to the local server. |
| Invocation-Id | Server attribute | Unique to directory | Used to uniquely identify each Microsoft Exchange Server directory in the organization. |
| When-Changed | Object replication attribute | Unique to directory | Used during conflict resolution to determine the most recent change. |