Starting test: Replications
[SERVER03] DsBindWithSpnEx() failed with error 1722,
The RPC server is unavailable..
......................... SERVER01 failed test Replications
C:\Users\Administrator>repadmin /replsum
Replication Summary Start Time: 2012-12-30 20:37:38
Beginning data collection for replication summary, this may take awhile:
.....
Source DSA largest delta fails/total %% error
SERVER01 42m:33s 0 / 5 0
SERVER03 39m:11s 0 / 5 0
Destination DSA largest delta fails/total %% error
SERVER01 39m:11s 0 / 5 0
SERVER03 42m:33s 0 / 5 0
C:\Users\Administrator>
C:\Users\Administrator>repadmin /syncall
CALLBACK MESSAGE: The following replication is in progress:
From: 89xxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx._msdcs.int.domain.com
To : 85xxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx._msdcs.int.domain.com
CALLBACK MESSAGE: The following replication completed successfully:
From: 89xxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx._msdcs.int.domain.com
To : 85xxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx._msdcs.int.domain.com
CALLBACK MESSAGE: SyncAll Finished.
SyncAll terminated with no errors.
C:\Users\Administrator>
What servers are running AD services?
Possible that you have old failed DC that needs to be cleaned too
http://www.petri.co.il/delete_failed_dcs_from_ad.htm