[Freeipa-users] Problems replicating with Windows 2008 AD

Thu May 17 15:10:57 UTC 2012

That did it! Thank you so much for your assistance! The sync agreement went through successfully.

Thanks,
Sara Kline

From: Rich Megginson [mailto:rmeggins at redhat.com]
Sent: Wednesday, May 16, 2012 6:15 PM
To: Kline, Sara
Cc: freeipa-users at redhat.com
Subject: Re: [Freeipa-users] Problems replicating with Windows 2008 AD

On 05/16/2012 06:04 PM, Kline, Sara wrote:
I found the issue, it had to do with what Windows set the cn to, as opposed to what I thought the CN was. Once I figured out where that was set at I was able to fix it. Cn's for us are usually the user id so that was where the disconnect was. Once I fixed that issue however I got another error. I am logged in as root on the FreeIPA server. When I run the ipa-manage-replica command I get:
Added CA certificate /etc/openldap/cacerts/winadcert.cer to certificate database for oly-infra-ldap1.prod.tnsi.com
INFO:root:AD Suffix is: DC=prod,DC=example,DC=com
Insufficient access

I am not sure I understand why this is not working.

You have to set permissions for your AD user in order to use the DirSync control.
See http://msdn.microsoft.com/en-us/library/ms677626%28VS.85%29.aspx

To use the DirSync control, caller must have the "directory get changes" right assigned on the root of the partition being monitored. By default, this right is assigned to the Administrator and LocalSystem accounts on domain controllers. The caller must also have the DS-Replication-Get-Changes<http://msdn.microsoft.com/en-us/library/ms684354%28v=vs.85%29.aspx> extended control access right. For more information about implementing a change-tracking mechanism for applications that must run under an account that does not have this right, see Polling for Changes Using USNChanged<http://msdn.microsoft.com/en-us/library/ms677627%28v=vs.85%29.aspx>. For more information about privileges, see Privileges<http://msdn.microsoft.com/en-us/library/aa379306%28v=vs.85%29.aspx>.

Thanks,
Sara Kline

From: Rich Megginson [mailto:rmeggins at redhat.com]
Sent: Wednesday, May 16, 2012 4:12 PM
To: Kline, Sara
Cc: freeipa-users at redhat.com<mailto:freeipa-users at redhat.com>
Subject: Re: [Freeipa-users] Problems replicating with Windows 2008 AD

On 05/16/2012 04:33 PM, Kline, Sara wrote:
Hey all,
FreeIPA has been very simple to setup so far, I have been able to follow along with the documentation every step of the way. I am running into an issue however when trying to set up replication between the Red Hat 6.2 server running FreeIPA and the Win 2008 R2 server running Active Directory. I created the replication user like the instructions say and gave it the necessary permissions, however when I try to set up the agreement, it tells me I am using invalid credentials. I am unsure of what I should do at this point? SSL Certs are installed on both and trusted on both, the servers are connected and both are synced to the same time source. Can anyone think of anything else?
I am using the command as follows:
Ipa-replica-manage connect -winsync
--binddn cn=freeipa,cn=users,dc=prod,dc=example,dc=com
--bindpw mypassword
--passsync mypassword
--cacert /etc/openldap/cacerts/winadcert.cer
oly-infra-ldap2.prod.example.com

You can use ldapsearch to test the connection with AD:

LDAPTLS_CACERTDIR=/etc/dirsrv/slapd-YOUR-DOMAIN ldapsearch -xLLL -H ldap://oly-infra-ldap2.prod.example.com -ZZ -D "cn=freeipa,cn=users,dc=prod,dc=example,dc=com" -w mypassword -s base -b "" 'objectclass=*' namingcontexts

This assumes
1) oly-infra-ldap2.prod.example.com is the correct FQDN of your AD machine
2) cn=freeipa,cn=users,dc=prod,dc=example,dc=com is a valid AD user in AD
3) mypassword is the correct password and doesn't need to be quoted for the shell

Sara Kline
System Administrator
Transaction Network Services, Inc
4501 Intelco Loop, Lacey WA 98503
Wk: (360) 493-6736
Cell: (360) 280-2495

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