DFS Replication service detected an incompatible AD schema version

[Feras Mustafa]

Hi, I have tons of the following errors in my DFS Replication event log on
Win03 EE R2:

Event Type: Error
Event Source: DFSR
Event Category: None
Event ID: 6012
Date: 7/23/2006
Time: 7:35:19 AM
User: N/A
Computer: DHLDDFS01
Description:
The DFS Replication service detected an incompatible Active Directory schema
version while trying to read configuration objects from server
dhlddco02.dubai-holding.ezone. The service disconnected from this server and
will try again in the next polling cycle.

Additional Information:
Expected Version: 31
Incompatible Server Version: 30
Domain Controller: dhlddco02.dubai-holding.ezone
Polling Cycle: 60 minutes

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.

and

Event Type: Error
Event Source: DFSR
Event Category: None
Event ID: 1202
Date: 7/23/2006
Time: 7:53:19 AM
User: N/A
Computer: DHLDDFS01
Description:
The DFS Replication service failed to contact domain controller to access
configuration information. Replication is stopped. The service will try again
during the next configuration polling cycle, which will occur in 60 minutes.
This event can be caused by TCP/IP connectivity, firewall, Active Directory,
or DNS issues.

Additional Information:
Error: 1168 (Element not found.)

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.