Replication

Replication

Post by Chri » Thu, 30 May 2002 22:14:00



I have set up a AD with two servers.  Up until today
everything appeared to be fine.  From first thing this
morning they refuse to replicate.  The message I receive
is 'The following error occurred during the attempt to
contact the domain controllers: The RPC server is
unavailable'.  Any ideas would be much appreciated.
 
 
 

Replication

Post by Dan DeStefano, MCSA, MCP, A+, Net » Fri, 31 May 2002 00:28:51


first make sure the rpc and rpc locator services are running on the machine.
is your dns set up correctly? do you have the offending machine configured
to use any external dns servers such as those of your isp? you can only use
dns servers that can locate the zone file for your ad domain and since it is
highly unlikely that your isp dns servers can, you cannot use them. switch
all domain machines (technically only w2k/xp machines are affected but i
believe in uniformity) to use only your local dns servers (the ones that are
authoritative for or can resolve your ad domain); then, once reconfigured,
you must run the following commands (w2k/xp only): 'ipconfig /flushdns' and
'ipconfig /registerdns'.

Dan DeStefano


Quote:> I have set up a AD with two servers.  Up until today
> everything appeared to be fine.  From first thing this
> morning they refuse to replicate.  The message I receive
> is 'The following error occurred during the attempt to
> contact the domain controllers: The RPC server is
> unavailable'.  Any ideas would be much appreciated.


 
 
 

Replication

Post by Dan » Fri, 31 May 2002 00:31:45


Are trusts between all domains in a forest necessary for
global catalog replication?

Thanks

 
 
 

Replication

Post by To » Fri, 31 May 2002 01:02:02


I have two DC's (A and B) on my single domain network.  I add users on
one server DC (A) and they do not show up in Active Directory on the
other server (B).  When the user logs onto the network, they seem to
authenticate to the server (B) that doesn't have them listed in the
Active Directory and therefore can't logon.  They are listed on the
other server (A) in Active Directory.  Any ideas?  Thanks.

Tod

 
 
 

Replication

Post by Jack » Fri, 31 May 2002 01:06:52


Transitive trusts exist between all domains by default.


Quote:> Are trusts between all domains in a forest necessary for
> global catalog replication?

> Thanks

 
 
 

Replication

Post by Tony Yuhas [MS » Fri, 31 May 2002 06:35:15


Hi Tod -

What do you mean by 'not listed in the AD'? I think you
probably opened up the Users and Computers snap-in and
couldn't find them on the other DC... yes/no?

If you have only one domain, and two DCs, then you would
expect that the domain container on either DC would be
identical.  IF you can't find the user object when
trgetting one or the other DC then you have some sort of
problem - most likely in replication.

The first thing I would do is check the event logs for
any errors related to replication.  Then I would force
replication using the Sites and Services Snap-in.  The
user objects should immediately show up on both DCs.

-Tony
------------------------------
This posting is provided "AS IS" with no warranties, and
confers no rights.

Quote:>-----Original Message-----
>I have two DC's (A and B) on my single domain network.  
I add users on
>one server DC (A) and they do not show up in Active
Directory on the
>other server (B).  When the user logs onto the network,
they seem to
>authenticate to the server (B) that doesn't have them
listed in the
>Active Directory and therefore can't logon.  They are
listed on the
>other server (A) in Active Directory.  Any ideas?  
Thanks.

>Tod
>.

 
 
 

1. AD replication error when using ad replication monitor

Based on the error you have DNS problems.  Verify that all DCs are pointing to valid DNS servers and verify that each DC has registered its SRV records and GUID record in the DNS zone for your domain.

--
Tim Hines, MCSA, MCSE (2000 & NT4)
MVP - Active Directory


  when i use the active directory replication monitor to check for replication errors, this is the error i recieved in the log file <replication works> but i want to know what this means, also, what is the deleted server #1 mean??
  i've attached a screenshot so that you can see what im actually looking at, thank you,
  - gabe

  Domain Controller Name:                   SWA-SRV-DC
                Directory Partition:        CN=Configuration,DC=inquery,DC=corp
                Replication Partner:        **DELETED SERVER #1
                Failure Code:                8524
                Failure Reason:             The DSA operation is unable to proceed because of a DNS lookup failure.

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