[AX AD Utils] Replication problems between domain controllers

If you run repamin /syncall and you get into errors like:

SyncAll reported the following errors:
Error issuing replication: 8453 (0x2105):
    Replication access was denied.

you can try to see what is going on using repadmin /showreps.
The output should look like this (text below); so, if this is the case then this means that you have no issues with the replication, and all you need to do is to run these commands using the Run as administrator option.

DSA Options: IS_GC

Site Options: (none)

DSA object GUID: 1ad62ebf-4afe-4c44-80a1-fd17de19fde6

DSA invocationID: 70b6c51d-3b1d-4be6-b821-79d5bebfae51



==== INBOUND NEIGHBORS ======================================



DC=*

    Default-First-Site-Name\*DC2 via RPC

        DSA object GUID: db8e9f9c-74a1-4412-a0a4-bfec7b6107bf

        Last attempt @ 2012-07-05 13:57:41 was successful.



CN=Configuration,DC=*

    Default-First-Site-Name\*DC2 via RPC

        DSA object GUID: db8e9f9c-74a1-4412-a0a4-bfec7b6107bf

        Last attempt @ 2012-07-05 13:45:56 was successful.



CN=Schema,CN=Configuration,DC=*

    Default-First-Site-Name\*DC2 via RPC

        DSA object GUID: db8e9f9c-74a1-4412-a0a4-bfec7b6107bf

        Last attempt @ 2012-07-05 13:45:56 was successful.



DC=DomainDnsZones,DC=*

    Default-First-Site-Name\*DC2 via RPC

        DSA object GUID: db8e9f9c-74a1-4412-a0a4-bfec7b6107bf

        Last attempt @ 2012-07-05 13:48:33 was successful.



DC=ForestDnsZones,DC=*

    Default-First-Site-Name\*DC2 via RPC

        DSA object GUID: db8e9f9c-74a1-4412-a0a4-bfec7b6107bf

        Last attempt @ 2012-07-05 13:45:56 was successful.

DsReplicaGetInfo() failed with status 8453 (0x2105):

    Replication access was denied.

DsReplicaGetInfo() failed with status 8453 (0x2105):

    Replication access was denied.