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ØWhen the local DC tries to establish a replication link with it’s replication partner and it fails.

In that case, repadmin/showreps shows no inbound neighbors, so it doesn’t tell this error.

Event ID 1084
Replication error: The directory replication agent (DRA) couldn’t update object CN=”8f03823f-410c-4483-86cc-8820b4f2103f

DEL:66aab46a-2693-4825-928f-05f6cd12c4e6“,CN=Deleted Objects,CN=Configuration,DC=enterprise,DC=com (GUID 66aab46a-2693-4825-928f-05f6cd12c4e6) on this system with changes which have been received from source server 62d85225-76bf-4b46-b929-25a1bb295f51._msdcs.enterprise,.com. An error occurred during the application of the changes to the directory database on this system.

To recover from this error, do the following :

1. Look for the lasted event id 1084 in the event log. Select the GUID of the failing object (in the example : 66aab46a-2693-4825-928f-05f6cd12c4e6) and copy it to the clipboard

2. Run LDP and connect to local DC (e.g. with 127.0.0.1)

3. Bind with administrator privileges to local directory

4. Select Browse->Delete

5. Enter as DN: <GUID=66aab46a-2693-4825-928f-05f6cd12c4e6> and delete this entry

6. If the error occurred when the DC tried to created the replication link, run repadmin/kcc
If the error occurred for replication over existing replication links, try to synchronize the three naming contexts using :

repadmin /sync CN=Schema,CN=Configuration,DC=enterprise,,DC=com %computername% <rep_partner_GUID>

repadmin /sync CN=Configuration,DC=enterprise,,DC=com %computername% <rep_partner_GUID>

repadmin /sync DC=domain,DC=enterprise,,DC=com %computername% <rep_partner_GUID>