So this opens a chicken and egg?

ie when RHEL6.3 comes out and I upgrade the IPA server(s) to 6.3 all the older 
6.2 clients will break?  but I cant upgrade the clients until after the servers 
are done....if so that is a huge and ugly looking task that is one way.....


Steven Jones

Technical Specialist - Linux RHCE

Victoria University, Wellington, NZ

0064 4 463 6272

From: Rob Crittenden []
Sent: Wednesday, 2 May 2012 1:19 a.m.
To: Steven Jones
Subject: Re: [Freeipa-users] ipa-client install error

Steven Jones wrote:
> I made a slight oops, I just upgraded a long un-used vm on my desktop from 
> 6.2beta to 6.3beta instead of 6.2 by mistake. Anyway  since our satellite is 
> down I cant correct this so I tried to add the 6.3beta client to IPA on 6.2 
> and I get an error.
> ==============
> [root@rhel664ws01 ~]# ipa-client-install --mkhomedir
> Discovery was successful!
> Hostname:
> Realm: ODS.VUW.AC.NZ
> DNS Domain:
> IPA Server:
> BaseDN: dc=ods,dc=vuw,dc=ac,dc=nz
> Continue to configure the system with these values? [no]: yes
> User authorized to enroll computers: admjonesst1
> Synchronizing time with KDC...
> Unable to sync time with IPA NTP server, assuming the time is in sync.
> Password for
> Enrolled in IPA realm ODS.VUW.AC.NZ
> Created /etc/ipa/default.conf
> Unable to activate the SSH service in SSSD config.
> Please make sure you have SSSD built with SSH support installed.
> Configure SSH support manually in /etc/sssd/sssd.conf.
> Configured /etc/sssd/sssd.conf
> Configured /etc/krb5.conf for IPA realm ODS.VUW.AC.NZ
> Traceback (most recent call last):
>    File "/usr/sbin/ipa-client-install", line 1534, in<module>
>      sys.exit(main())
>    File "/usr/sbin/ipa-client-install", line 1521, in main
>      rval = install(options, env, fstore, statestore)
>    File "/usr/sbin/ipa-client-install", line 1358, in install
>      api.Backend.xmlclient.connect()
>    File "/usr/lib/python2.6/site-packages/ipalib/", line 63, in 
> connect
>      conn = self.create_connection(*args, **kw)
>    File "/usr/lib/python2.6/site-packages/ipalib/", line 410, in 
> create_connection
>      raise errors.KerberosError(major=str(krberr), minor='')
> ipalib.errors.KerberosError: Kerberos error: did not receive Kerberos 
> credentials/
> [root@rhel664ws01 ~]#
> ===========
> Is this expected when trying to connect 6.3beta? ie its simply not compatible?

The newer 2.2 client cannot connect to an older 2.1 server because it
isn't going to send the TGT that the 2.1 server requires. We should
handle this better, I've opened a ticket to track this:


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