[Freeipa-users] IPA+AD sync error

Rich Megginson rmeggins at redhat.com
Mon Aug 16 15:06:14 UTC 2010


Shan Kumaraswamy wrote:
> Rich,
>  
> While installing IPA its creates its won CA cert right? (cacert.p12),
Right.
> and also I done the setep of export this CA file as dsca.crt.
Right.  You have to do that so that AD can be an SSL client to the IPA 
SSL server.
> Please let me know steps to generate the IPA CA and server cert?
The other part is that you have to install the AD CA cert in IPA so that 
IPA can be the SSL client to the AD SSL server.
>  
>
>
>  
> On Mon, Aug 16, 2010 at 5:41 PM, Rich Megginson <rmeggins at redhat.com 
> <mailto:rmeggins at redhat.com>> wrote:
>
>     Shan Kumaraswamy wrote:
>
>
>         Hi,
>
>         I have deployed FreeIPA 1.2.1 in RHEL 5.5 and I want to sync
>         with Active Directory (windows 2008 R2). Can please anyone
>         have step-by-step configuration doc and share to me?
>         Previously I have done the same exercise, but now that is not
>         working for me and I am facing lot of challenges to make this
>         happen.
>
>         Please find the steps what exactly I done so for:
>
>         1.       Installed RHDS 8.1 and FreeIPA 1.2.1 and configured
>         properly and tested its working fine
>
>         2.       In AD side, installed Active Directory certificate
>         Server as a Enterprise Root
>
>         3.       Copy the “cacert.p12” file and imported under
>         Certificates –Service (Active Directory Domain service) on
>         Local Computer using MMC.
>
>         4.       Installed PasSync.msi file and given all the required
>         information
>
>         5.       Run the command “certutil -d . -L -n "CA certificate"
>         -a > dsca.crt” from IPA server and copied the .crt file in to
>         AD server and ran this command from “cd "C:\Program Files\Red
>         Hat Directory Password Synchronization"
>
>         6.       certutil.exe -d . -N
>
>         7.       certutil.exe -d . -A -n "DS CA cert" -t CT,, -a -i
>         \path\to\dsca.crt
>
>         8.       certutil.exe -d . -L -n "DS CA cert" and rebooted the
>         AD server.
>
>         After this steps, when try to create sync agreement from IPA
>         server I am getting  this error:
>
>          
>         ldap_simple_bind: Can't contact LDAP server
>
>                SSL error -8179 (Peer's Certificate issuer is not
>         recognized.)
>
>         Please share the steps to configure AD Sync with IPA server.
>
>     http://www.redhat.com/docs/manuals/dir-server/8.2/admin/html/Windows_Sync-Configuring_Windows_Sync.html
>
>     But it looks as though there is a step missing.  If you use MS AD
>     CA to generate the AD cert, and use IPA to generate the IPA CA and
>     server cert, then you have to import the MS AD CA cert into IPA.
>
>
>          
>          
>
>         -- 
>         Thanks & Regards
>         Shan Kumaraswamy
>
>
>
>
>
> -- 
> Thanks & Regards
> Shan Kumaraswamy
>




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