[Freeipa-users] ipa-client-install fails on replica because of kinit cannot contact any KDC

[Dmitri Pal]

On 03/21/2014 07:44 PM, Shree wrote:
> Hi
> Attaching the install log. It complains about unable to reach certain 
> ports, however my tests by using telnet were successful. Also to 
> refresh your memory the client should be reaching for the replica 
> lda2.mydomain.com and not ldap.mydomain.com which it does for the most 
> part but I found a couple of instances of ldap.mydomain.com in the 
> log. Let me know what you find. I can't believe I migrated over 40 
> servers and only this one refuses to install ipa-client.
>

If it is getting to the wrong server then it is either looking at the 
wrong DNS server (see resolve.conf) which is telling it to use the wrong 
IPA server (may be from some old try/POC) or it has some explicit 
entries entered in /etc/hosts.


>
> Shreeraj
> ---------------------------------------------------------------------------------------- 
>
>
> Change is the only Constant !
>
>
> On Thursday, March 20, 2014 4:29 AM, Martin Kosek <mkosek at redhat.com> 
> wrote:
> On 03/19/2014 10:37 PM, Shree wrote:
>
> > Hello
> > I was able to successfully move all my clients to the replica except 
> on the process I had to upgrade the client to 
> "ipa-client-3.0.0-37.el6.x86_64" and some times run a --uninstall
> >
> > . Bit it works for the most part. Have been struggling with one last 
> host with errors like below. I have tested the port connectivity using 
> telnet and netcat commands but the install thinks these ports are 
> blocked?
> >
> >
> >
> >
> > kerberos authentication failed
> > kinit: Cannot contact any KDC for realm 'MYDOMAIN.COM' while getting 
> initial credentials
> >
> > Please make sure the following ports are opened in the firewall 
> settings:
> >      TCP: 80, 88, 389
> >      UDP: 88 (at least one of TCP/UDP ports 88 has to be open)
> > Also note that following ports are necessary for ipa-client working 
> properly after enrollment:
> >      TCP: 464
> >      UDP: 464, 123 (if NTP enabled)
> > Installation failed. Rolling back changes.
> > Disabling client Kerberos and LDAP configurations
> > Redundant SSSD configuration file /etc/sssd/sssd.conf was moved to 
> /etc/sssd/sssd.conf.deleted
> > Restoring client configuration files
> > Client uninstall complete.
> > [root at www <mailto:root at www> /]#
> >
> > In the /var/log/ipaclient-install.log I also see things like below. 
> I get Autodiscovery failures but I am manually entering things and 
> they have been working.
> >
> > 2014-03-19T21:13:47Z DEBUG Found: 
> cn=MYDOMAIN.COM,cn=kerberos,dc=mydomain,dc=com
> > 2014-03-19T21:13:47Z DEBUG Discovery result: Success; 
> server=ldap2.mydomain.com, domain=mydomain.com, kdc=ldap.mydomain.com, 
> basedn=dc=mydomain,dc=com
> > 2014-03-19T21:13:47Z DEBUG Validated servers: ldap2.mydomain.com
> > 2014-03-19T21:13:47Z WARNING The failure to use DNS to find your IPA 
> server indicates that your resolv.conf file is not properly configured.
> > 2014-03-19T21:13:47Z INFO Autodiscovery of servers for failover 
> cannot work with this configuration.
> > 2014-03-19T21:13:47Z INFO If you proceed with the installation, 
> services will be configured to always access the discovered server for 
> all operations and will not fail over to other servers in case of failure.
>
>
> Ok. I would guess you have some DNS issue. But it is hard to tell 
> without the
> entire ipaclient-install.log of the failed installation.
>
> Martin
>
>
>


-- 
Thank you,
Dmitri Pal

Sr. Engineering Manager for IdM portfolio
Red Hat Inc.


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